CN103631031A

CN103631031A - Dynamic progressive multi-focal-point lens

Info

Publication number: CN103631031A
Application number: CN201310462998.2A
Authority: CN
Inventors: 张朝荣
Original assignee: DANYANG BAIYISHI OPTICAL GLASSES Co Ltd
Current assignee: DANYANG BAIYISHI OPTICAL GLASSES Co Ltd
Priority date: 2013-09-30
Filing date: 2013-09-30
Publication date: 2014-03-12
Anticipated expiration: 2033-09-30
Also published as: CN103631031B

Abstract

The invention provides a dynamic progressive multi-focal-point lens which comprises a far lighting region, a near lighting region, a transitional light region and a shaking region, wherein a glasses matching cross of the dynamic progressive multi-focal-point lens is positioned on the far lighting region side on a perpendicular bisector of a horizontal line of the geometric center of the dynamic progressive multi-focal-point lens, and a distance between the glasses matching cross and the horizontal line of the geometric center is 4mm; the transitional light region is 16mm long on a 0.50 astigmatism surface radian, and an average width range of the transitional light region is 4.2-12.5mm on the 0.50 astigmatism surface radian; the minimum width range of the near lighting region is 5.6-13.1mm on the 0.50 astigmatism surface radian; the corresponding maximum width range of the near lighting region is 9.1-16.5mm; the far region angle of the dynamic progressive multi-focal-point lens is 176-184 degrees on the 0.50 astigmatism surface radian. According to the dynamic progressive multi-focal-point lens, image torsion and image jumping can be avoided when a user watches objects with eyes.

Description

A kind of power progressive multi-focus lens

Technical field

The present invention relates to eyeglass technical field, particularly relate to a kind of power progressive multi-focus lens.

Background technology

People with glasses be take single focus lens as main for a long time.Single focus lens is all by the ciliary muscle of eyes, to regulate the distance of eyes and object, and eyes regulate with ciliary muscle for a long time or frequently, easily make eyes in fatigue state, and eyes will be deepened myopia or presbyopic in the past for a long time.The appearance of progressive multi-focus lens has solved the phenomenon regulating by eyes, and it is to regulate by different focus on eyeglass.Progressive multi-focus lens is that a kind of top is far away for seeing, below is used for seeing closely, the upper and lower different eyeglass of the number of degrees.From eyeglass top, to count to fixing near in eyeglass below be not flip-flop with the number of degrees to fixing expenditure far away, but by the incremental variation of refractive power and gradually transition of between.Progressive multi-focus lens comprises Yuan Yongguang district, ,Jin Yongguang district, transition light district and rocks district.From being placed on the progressive multi-focus lens angle human eye, far use light position in eyeglass top, closely with light position, between He Jinyongguang district, ，Yuan Yongguang district, eyeglass bottom, pass through the transition of transition light district.The arc border in ,Jin Yongguang district, Yuan Yongguang district and transition light district surrounds a region at progressive multi-focus lens middle part jointly, and in this region towards the both sides of lens edge for rocking district.Progressive multi-focus lens all can obtain eyesight clearly in each distance of visual range, has both met use far away, has met again the use of nearly use and middle each distance.Progressive multi-focus lens has solved those existing old light again myopia; Existing long sight has again the glasses of the special population of old light to wear, and a pair of glasses can meet all demands.

Traditional progressive multi-focus lens can be divided into two kinds of soft design and rigid designs.The transition passage in soft design Dao Jinyongguang district, Zhong Yuanyongguang district is longer, be generally 17mm, 18mm, the more light varience of focus in designed channel is less, but effective usable range in Jin Yongguang district is very little, easily make human eye remove to see things by rocking district, thereby cause scalloping.The transition passage in rigid design Dao Jinyongguang district, Zhong Yuanyongguang district is shorter, and in passage, focus is few, easily causes and jumps as phenomenon, and wearer's adaptation time is long.Soft design and rigid design need to be produced a lot of moulds to meet the demand of different crowd, high to wearer's optometry and matching requirements.

Visible, existing progressive multi-focus lens on the one hand, because the little human eye that causes of effective range in dipped beam district removes to see things by rocking district, thereby makes scalloping; On the other hand, because the transition passage of eyeglass is shorter, focus is few and easy generations jumping looks like in passage.

Summary of the invention

The invention provides a kind of power progressive multi-focus lens, to solve the scalloping that existing progressive multi-focus lens exists or to jump the problem of picture.

In order to address the above problem, the invention discloses a kind of power progressive multi-focus lens, described power progressive multi-focus lens comprises: ,Jin Yongguang district, Yuan Yongguang district, transition light district and rock district, wherein, between described Yuan Yongguang district and described Jin Yongguang district, be transition light district, the both sides in described transition light district are for rocking district; Described power progressive multi-focus lens join the described Yuan Yongguang district side that mirror cross is positioned at the horizontal perpendicular bisector of geometric center of described power progressive multi-focus lens, and the distance between described geometric center horizontal line is 4 millimeters; The reference point in described Yuan Yongguang district is positioned on the horizontal perpendicular bisector of described geometric center, and the distance between described geometric center horizontal line is 8 millimeters; Distance between the reference point in described Jin Yongguang district and described geometric center horizontal line is 12 millimeters, and while normally wearing, the distance between the reference point in described Jin Yongguang district deflection bridge of the nose direction and the horizontal perpendicular bisector of described geometric center is 2.5 millimeters; The length of described transition light district between 0.50 astigmatic face type radian is 16 millimeters, the mean breadth scope of described transition light district between 0.50 astigmatic face type radian is 4.2 to 12.5 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatic face type radian is 5.6 to 13.1 millimeters, corresponding breadth extreme scope is 9.1 to 16.5 millimeters, and the far field angle of described power progressive multi-focus lens is 176 to 184 degree between 0.50 astigmatic face type radian.

Preferably, when described power progressive multi-focus lens be zero diopter and under when adding light and being 1.00 diopter, the mean breadth scope of described transition light district between 0.50 astigmatic face type radian is 9.5 to 12.5 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatic face type radian is 11.8 to 13.1 millimeters, and corresponding breadth extreme scope is 15.4 to 16.5 millimeters.

Preferably, when described progressive multi-focus lens be zero diopter and under when adding light and being 2.00 diopter, the mean breadth scope of described transition light district between 0.50 astigmatic face type radian is 6 to 6.3 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatic face type radian is 7.4 to 8.7 millimeters, and corresponding breadth extreme scope is 10.8 to 11.8 millimeters.

Preferably, when described power progressive multi-focus lens be zero diopter and under when adding light and being 3.00 diopter, the mean breadth scope of described transition light district between 0.50 astigmatic face type radian is 4.2 to 4.3 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatic face type radian is 5.6 to 6.9 millimeters, and corresponding breadth extreme scope is 9.1 to 10.1 millimeters.

Preferably, the mean breadth value of described transition light district between 0.50 astigmatic face type radian, by described power progressive multi-focus lens being partial to distance between described Yuan Yongguang district's side and described geometric center horizontal line, it is the width value in the described transition light district at 4 millimeters of places, the width value in transition light district is stated in described geometric center horizontal line place, the distance of being partial between described Jin Yongguang district's side and described geometric center horizontal line is the width value in the described transition light district at 4 millimeters of places, be partial to distance between described Jin Yongguang district's side and described geometric center horizontal line and be 8 millimeters of places described transition light district width value and be partial to described Jin Yongguang district's side and described geometric center horizontal line between distance be that the width value calculating mean value in the described transition light district at 12 millimeters of places obtains.

Preferably, described power progressive multi-focus lens in the transition light district between 0.5 astigmatic face type radian is: between 0.5 astigmatic face type radian, from be partial between described Yuan Yongguang district's side and described geometric center horizontal line distance be 4 millimeters to the distance of being partial between described Jin Yongguang district's side and described geometric center horizontal line be 12 millimeters of regions that place surrounds.

Preferably, described Jin Yongguang district at the minimum widith between 0.50 astigmatic face type radian is: between 0.50 astigmatic face type radian, the distance in described Jin Yongguang district and between described geometric center horizontal line is the light sector width at 13 millimeters of places.

Preferably, described Jin Yongguang district at the breadth extreme between 0.50 astigmatic face type radian is: between 0.50 astigmatic face type radian, the distance in described Jin Yongguang district and between described geometric center horizontal line is the light sector width at 18 millimeters of places.

Preferably, described power progressive multi-focus lens has front camber 1.00 diopters, 2.00 diopters, 4.00 diopters or 6.00 dioptric kinking structures.

Compared with prior art, the present invention has the following advantages:

Power progressive multi-focus lens provided by the invention still has mean breadth and is the transition light district of 4.2 to 12.5 millimeters between 0.5 astigmatic face type radian; The minimum widith scope in Jin Yongguang district is 5.6 to 13.1 millimeters, corresponding breadth extreme scope can reach 9.1 to 16.5 millimeters, effective usable floor area in Jin Yongguang district is large, adopt the power progressive multi-focus lens in the present invention, by than the more large-area Jin Yongguang of tradition district, avoided human eye to go by rocking district the scalloping of seeing that things causes; Meanwhile, the Design of length in transition light district is 16 millimeters, and when such design makes to guarantee that transition light district area is larger, the focus number in transition light district is moderate.Avoided in rigid design, the shorter of the Design of length in transition light district is for example designed to 14 millimeters by transition light section length, and the less problem of focus in the transition light district bringing, the number of degrees that guaranteed the eyeglass of progressive additional are incremental uniform variations, and human eye can not produce when seeing things jumps picture.By the power progressive multi-focus lens in the present invention, the scalloping existing in existing multifocal lens or the problem of jumping picture have been solved.In addition, the power progressive multi-focus lens in the present invention, when having guaranteed that people can not cause soon scalloping during things and jump picture, far can reach 180 degree by angle, has broad Yuan Yongguang district, makes human eye have the wider territory, far field of looking.Because the power progressive multi-focus lens in the present invention has broad territory, far field and the territory, near reading range looked, even if the person that therefore joins mirror is when motion or driving, human eye still can not depart from the effective coverage of eyeglass, still can remove to see things nearby by territory, near reading range, by remove to see things at a distance depending on territory, far field.Power progressive multi-focus lens in the present invention not only can meet when traditional progressive multi-focus lens is read newspaper under static environment the person that joins mirror or looked at the blackboard etc. to be worn, and can also meet that the person that joins mirror for example drives under dynamic environment or wear during motion.

Accompanying drawing explanation

Fig. 1 is the structural drawing of a kind of power progressive multi-focus lens of the embodiment of the present invention one;

Fig. 2 be the front camber of the embodiment of the present invention two be 1.00 diopter zero diopters and under add the post light figure that light is 1.00 dioptric power progressive multi-focus lens;

Fig. 3 be the front camber of the embodiment of the present invention two be 2.00 diopter zero diopters and under add the post light figure that light is 1.00 dioptric power progressive multi-focus lens;

Fig. 4 be the front camber of the embodiment of the present invention two be 4.00 diopter zero diopters and under add the post light figure that light is 1.00 dioptric power progressive multi-focus lens;

Fig. 5 be the front camber of the embodiment of the present invention two be 6.00 diopter zero diopters and under add the post light figure that light is 1.00 dioptric power progressive multi-focus lens;

Fig. 6 is all light figure of the power progressive multi-focus lens shown in Fig. 2;

Fig. 7 is all light figure of the power progressive multi-focus lens shown in Fig. 3;

Fig. 8 is all light figure of the power progressive multi-focus lens shown in Fig. 4;

Fig. 9 is all light figure of the power progressive multi-focus lens shown in Fig. 5;

Figure 10 is the ball light figure of the power progressive multi-focus lens shown in Fig. 2;

Figure 11 is the ball light figure of the power progressive multi-focus lens shown in Fig. 3;

Figure 12 is the ball light figure of the power progressive multi-focus lens shown in Fig. 4;

Figure 13 is the ball light figure of the power progressive multi-focus lens shown in Fig. 5;

Figure 14 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Fig. 2 adds the change curve that light and post light add light;

Figure 15 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Fig. 3 adds the change curve that light and post light add light;

Figure 16 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Fig. 4 adds the change curve that light and post light add light;

Figure 17 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Fig. 5 adds the change curve that light and post light add light;

Figure 18 is the power progressive multi-focus lens shown in Fig. 2 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 19 is the power progressive multi-focus lens shown in Fig. 3 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 20 is the power progressive multi-focus lens shown in Fig. 4 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 21 is the power progressive multi-focus lens shown in Fig. 5 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 22 be the front camber of the embodiment of the present invention three be 1.00 diopter zero diopters and under add the post light figure that light is 2.00 dioptric power progressive multi-focus lens;

Figure 23 be the front camber of the embodiment of the present invention three be 2.00 diopter zero diopters and under add the post light figure that light is 2.00 dioptric power progressive multi-focus lens;

Figure 24 be the front camber of the embodiment of the present invention three be 4.00 diopter zero diopters and under add the post light figure that light is 2.00 dioptric power progressive multi-focus lens;

Figure 25 be the front camber of the embodiment of the present invention three be 6.00 diopter zero diopters and under add the post light figure that light is 2.00 dioptric power progressive multi-focus lens;

Figure 26 is all light figure of the power progressive multi-focus lens shown in Figure 22;

Figure 27 is all light figure of the power progressive multi-focus lens shown in Figure 23;

Figure 28 is all light figure of the power progressive multi-focus lens shown in Figure 24;

Figure 29 is all light figure of the power progressive multi-focus lens shown in Figure 25;

Figure 30 is the ball light figure of the power progressive multi-focus lens shown in Figure 22;

Figure 31 is the ball light figure of the power progressive multi-focus lens shown in Figure 23;

Figure 32 is the ball light figure of the power progressive multi-focus lens shown in Figure 24;

Figure 33 is the ball light figure of the power progressive multi-focus lens shown in Figure 25;

Figure 34 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Figure 22 adds the change curve that light and post light add light;

Figure 35 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Figure 23 adds the change curve that light and post light add light;

Figure 36 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Figure 24 adds the change curve that light and post light add light;

Figure 37 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Figure 25 adds the change curve that light and post light add light;

Figure 38 is the power progressive multi-focus lens shown in Figure 22 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 39 is the power progressive multi-focus lens shown in Figure 23 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 40 is the power progressive multi-focus lens shown in Figure 24 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 41 is the power progressive multi-focus lens shown in Figure 25 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 42 be the front camber of the embodiment of the present invention four be 1.00 diopter zero diopters and under add the post light figure that light is 3.00 dioptric power progressive multi-focus lens;

Figure 43 be the front camber of the embodiment of the present invention four be 2.00 diopter zero diopters and under add the post light figure that light is 3.00 dioptric power progressive multi-focus lens;

Figure 44 be the front camber of the embodiment of the present invention four be 4.00 diopter zero diopters and under add the post light figure that light is 3.00 dioptric power progressive multi-focus lens;

Figure 45 be the front camber of the embodiment of the present invention four be 6.00 diopter zero diopters and under add the post light figure that light is 3.00 dioptric power progressive multi-focus lens;

Figure 46 is all light figure of the power progressive multi-focus lens shown in Figure 42;

Figure 47 is all light figure of the power progressive multi-focus lens shown in Figure 43;

Figure 48 is all light figure of the power progressive multi-focus lens shown in Figure 44;

Figure 49 is all light figure of the power progressive multi-focus lens shown in Figure 45;

Figure 50 is the ball light figure of the power progressive multi-focus lens shown in Figure 42;

Figure 51 is the ball light figure of the power progressive multi-focus lens shown in Figure 43;

Figure 52 is the ball light figure of the power progressive multi-focus lens shown in Figure 44;

Figure 53 is the ball light figure of the power progressive multi-focus lens shown in Figure 45;

Figure 54 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Figure 42 adds the change curve that light and post light add light;

Figure 55 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Figure 43 adds the change curve that light and post light add light;

Figure 56 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Figure 44 adds the change curve that light and post light add light;

Figure 57 is that its equal ball light of variation of the distance of following channel direction of the power progressive multi-focus lens shown in Figure 45 adds the change curve that light and post light add light;

Figure 58 is the power progressive multi-focus lens shown in Figure 42 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 59 is the power progressive multi-focus lens shown in Figure 43 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 60 is the power progressive multi-focus lens shown in Figure 44 along the eyeglass coordinate system X-axis change curve of its post light from left to right;

Figure 61 is the power progressive multi-focus lens shown in Figure 45 along the eyeglass coordinate system X-axis change curve of its post light from left to right.

Embodiment

For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.

Embodiment mono-

With reference to Fig. 1, show the structural drawing of a kind of power progressive multi-focus lens of the present invention.

Power progressive multi-focus lens in the present embodiment adopts the neutralisation of progressive additional to design, comprise: 102 ,Jin Yongguang district 104, transition light districts 106, Yuan Yongguang district and rock district 108, wherein, between 102 Yu Jinyongguang districts 104, Yuan Yongguang district, be that the both sides in transition light district 106， transition light district are for rocking district 108.Transition light district 106 is the transition passage in Zhi Jinyongguang district, power progressive multi-focus lens Cong Yuanyongguang district.Power progressive multi-focus lens Yuan Yongguang district 102 only has a stable luminosity, can see things at a distance clearly; Jin Yongguang district also only has a stable luminosity, only to see things nearby clearly; To be one section of human eyes see that by Yuan Yongguang district things is transitioned into a transitional region while seeing things by Jin Yongguang district in transition light district 106, in this region, the regular variation of the eyeglass number of degrees, by this region human eye, can see the things of middle distance clearly; Rock the region that district 108 is light variences, by this region, see that thing human eye can feel fuzzy.

Transition light district ,Jin Yongguang district and the Yuan Yongguang district of power progressive multi-focus lens between 0.5 astigmatic face type radian described in the present embodiment.It should be noted that, 0.5 astigmatic face is an astigmatic face of selecting while measuring, and also can choose transition light district between 1.0 astigmatic face type radians or the transition light district between other astigmatic face type radians.Why selecting 0.5 astigmatic face, is because the transition light district between 0.5 astigmatic face type radian is the scope that human eye can be accepted, and can not feel uncomfortable scope.Along with its transitional regions of increase of the astigmatic face number of degrees also can become greatly, but when human eye goes to see things, uncomfortable degree also can be stronger.

Power progressive multi-focus lens join the perpendicular bisector Yuan Yongguang district side that mirror cross 110 is positioned at the geometric center horizontal line 112 of power progressive multi-focus lens, and the distance between geometric center horizontal line 112 is 4 millimeters; Wherein, while dispatching from the factory due to eyeglass, be all circular, and all there is above-mentioned Wu Geguang district, for the ease of joining mirror, deviser can arrange geometric center horizontal line 112 for eyeglass, the geometric center horizontal line 112 of eyeglass is to arrange along the diameter of eyeglass, makes 102 Yu Jinyongguang districts 104, eyeglass Yuan Yongguang district lay respectively at the both sides of geometric center horizontal line 112 while arranging.The reference point 114 in Yuan Yongguang district 102 is positioned on the perpendicular bisector of geometric center horizontal line 112, and the distance between geometric center horizontal line 112 is 8 millimeters; The reference point 116 in Jin Yongguang district 104 and the distance between geometric center horizontal line 112 are 12 millimeters, and while normally wearing, the reference point 116 deflection bridge of the nose directions in ，Jin Yongguang district and the distance between the horizontal perpendicular bisector of geometric center are 2.5 millimeters.Because human eye is being used Yuan Yongguang district to look when far away, pupil amplifies, and is using Jin Yongguang district to look when near, and pupil does not need amplification, so the gradually multifocal lens in the present embodiment is provided with read point displacement, and size is 2.5 millimeters.When normal wearing spectacles, the reference point in eyeglass Jin Yongguang district, left and right is all partial to 2.5 millimeters, bridge of the nose direction.

The length of the transition light district 106 of power progressive multi-focus lens between 0.50 astigmatic face type radian is 16 millimeters, and the mean breadth scope of transition light district 106 between 0.50 astigmatic face type radian is 4.2 to 12.5 millimeters; Wherein, the transition light district of power progressive multi-focus lens is not regular region, is not a rectangular region, so its width inhomogeneous.Along with and geometric center horizontal line between the variation of distance, the width in transition light district also can change, for example: at geometric distance central horizontal linear distance, be that 8 millimeters of width of locating transition light district are 7.4 millimeters, geometric distance central horizontal linear distance is that 12 millimeters of width of locating transition light district are 11.8 millimeters.Therefore, in the present embodiment, use mean breadth to be described transition light district.Wherein, mean breadth is that the width by the transition light district at the geometric center horizontal line different distance place that adjusts the distance carries out value, and these width values are averaging and are obtained.Preferred value mode is: get respectively on geometric center horizontal line 4 millimeters locate, the width value in the transition light district at 4 millimeters, 8 millimeters and 12 millimeters places under geometric center horizontal line place, geometric center horizontal line, these width value calculating mean values are obtained to the mean breadth in transition light district.

The minimum widith scope of power progressive multi-focus lens Jin Yongguang district 104 between 0.50 astigmatic face type radian is 5.6 to 13.1 millimeters, and corresponding breadth extreme scope is 9.1 to 16.5 millimeters.Wherein, these width range values are to obtain by adding under camber differences before different to each after minimum widith in power progressive multi-focus lens Jin Yongguang district of luminosity and breadth extreme value are added up.The corresponding minimum widith in each power progressive multi-focus lens Jin Yongguang district and a breadth extreme.As, when minimum widith is 5.6 millimeters, its corresponding breadth extreme is 9.1 millimeters.For another example,, when minimum widith is 13.1 millimeters, its corresponding breadth extreme is 16.5 millimeters.And, minimum widith value, breadth extreme in each power progressive multi-focus lens Jin Yongguang district of statistics are worth simultaneously, also calculated the mean breadth value in the transition light district of each power progressive multi-focus lens, the mean breadth in the transition light district of each power progressive multi-focus lens has been added up to the mean breadth scope that has obtained the transition light district described in the present embodiment.The far field angle of power progressive multi-focus lens is 176 to 184 degree between 0.50 astigmatic face type radian.Wherein, the visible angle in far field angle Yuan Yongguang district when to be human eye see things at a distance by power progressive multi-focus lens.The far field angle that power progressive multi-focus lens in the present embodiment measures is 180 degree, measures work poor for +/-4 degree ，Yuan Yongguang districts are bright these non-blind areas, power progressive multi-focus lens Yuan Yongguang district of 180 kilsyth basalts, can make full use of.

Power progressive multi-focus lens in the present embodiment still has mean breadth and is the transition light district of 4.2 to 12.5 millimeters between 0.5 astigmatic face type radian; The minimum widith scope in Jin Yongguang district is 5.6 to 13.1 millimeters, corresponding breadth extreme scope can reach 9.1 to 16.5 millimeters, effective usable floor area in Jin Yongguang district is large, by than the more large-area Jin Yongguang of tradition district, has kept away and has exempted from human eye and go by rocking district the scalloping of seeing that things causes.Meanwhile, the transition light section length of the power progressive multi-focus lens in the present embodiment be designed to 16 millimeters, when such design makes to guarantee that transition light district area is larger, the focus number in transition light district is moderate.Avoided in rigid design, the shorter of the Design of length in transition light district is for example designed to 14 millimeters by transition light section length, and the less problem of focus in the transition light district bringing, the number of degrees that guaranteed the eyeglass of progressive additional are incremental uniform variations, and human eye can not produce when seeing things jumps picture.By the power progressive multi-focus lens in the present embodiment, the scalloping existing in existing multifocal lens or the problem of jumping picture have been solved.In addition, the power progressive multi-focus lens in the present embodiment, when having guaranteed that people can not cause soon scalloping during things and jump picture, far field angle can reach 180 degree, has broad Yuan Yongguang district, makes human eye have the wider territory, far field of looking.Because the power progressive multi-focus lens in the present invention has broad territory, far field and the territory, near reading range looked, even if the person that therefore joins mirror is when motion or driving, human eye still can not depart from the effective coverage of eyeglass, still can remove to see things nearby by territory, near reading range, by remove to see things at a distance depending on territory, far field.Power progressive multi-focus lens in the present invention not only can meet when traditional progressive multi-focus lens is read newspaper under static environment the person that joins mirror or looked at the blackboard etc. to be worn, and can also meet that the person that joins mirror for example drives under dynamic environment or wear during motion.

Embodiment bis-

The a pair of mean breadth scope in transition light district and the Free Region scope in Jin Yongguang district of the power progressive multi-focus lens of progressive neutralisation design of having adopted of embodiment is illustrated, in the present embodiment, take respectively have front camber as 1.00,2.00,4.00 and 6.00 diopter zero diopters and under add light as 1.00 dioptric power progressive multi-focus lens be example, to adopting the power progressive multi-focus lens of progressive neutralisation design to be described in detail.

In the present embodiment, for clearer, power progressive multi-focus lens is described, selects ,Jin Yongguang district, transition light district and Yuan Yongguang district between 0.5 astigmatic face type radian.And using how much horizontal lines of power progressive multi-focus lens as X-axis, the horizontal perpendicular bisector of geometric center is Y-axis; Form a coordinate system, each particular location of power progressive multi-focus lens is carried out to scale.The Y direction of power progressive multi-focus lens is a passage, and it runs through eyeglass Jin Yongguang district, and transition light district and Yuan Yongguang district closely use light position in the negative semiaxis of Y-axis, far use light position in the positive axis of Y-axis.Transition light district is between 0.5 astigmatic face type radian, and from distance between deflection Yuan Yongguang district side and geometric center horizontal line (Y-axis coordinate is 0), being 4 millimeters is that Y-axis positive axis scale is 4 millimeters (Y-axis coordinate is 4 millimeters) to be 12 millimeters be that negative half axis scale of Y-axis is-12 millimeters and locates the region that (Y-axis coordinate is-12 millimeters) surrounds to being partial to distance between Jin Yongguang district side and geometric center horizontal line.The minimum widith in Jin Yongguang district for and geometric center horizontal line between distance be the light sector widths that 13 millimeters (Y-axis coordinates for-13 millimeters) are located, the breadth extreme in corresponding Jin Yongguang district for and geometric center horizontal line between distance be 18 millimeters of light sector widths that (Y-axis coordinate is-18 millimeters) located.It should be noted that, the above-mentioned restriction to the Y-axis coordinate in coordinate system and transition light district is applicable to each embodiment below too.

The refractive index of the power progressive multi-focus lens in the present embodiment is 1.56; Far point height Ji Yuanyongguang district reference point is 8 millimeters apart from how much horizontal height of eyeglass; Joining mirror height, to join mirror cross be 4 millimeters apart from eyeglass how much horizontal height; Read point Ji Jinyongguang district reference point, read point height Ji Jinyongguang district reference point is apart from how much horizontal height of eyeglass, because the height of read point is positioned under how much horizontal lines, so be highly-12 millimeters; The distance of read point displacement Ji Jinyongguang district reference point deflection bridge of the nose direction is 2.5 millimeters.

Front camber be 1.00 diopter zero diopters and under to add light be 1.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 0.508 diopter, post luminosity is 0.025 diopter; Joining and a little adding the equal luminosity of light is 0.003 diopter, and post luminosity is 0.034; It is 0.999 diopter that read point adds the equal luminosity of light, and post luminosity is 0.036 diopter; Light is 1.077 diopters the most greatly, and 0.77 diopter overflows.

Front camber be 2.00 diopter zero diopters and under to add light be 1.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 1.044 diopters, post luminosity is 0.016 diopter; Joining and a little adding the equal luminosity of light is 0.003 diopter, and post luminosity is 0.057; It is 0.999 diopter that read point adds the equal luminosity of light, and post luminosity is 0.034 diopter; Light is 1.066 diopters the most greatly, and 0.067 diopter overflows.

Front camber be 4.00 diopter zero diopters and under to add light be 1.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 2.075 diopters, post luminosity is 0.013 diopter; Joining and a little adding the equal luminosity of light is 0.019 diopter, and post luminosity is 0.038; It is 1.001 diopters that read point adds the equal luminosity of light, and post luminosity is 0.043 diopter; Light is 1.034 diopters the most greatly, and 0.034 diopter overflows.

Front camber be 6.00 diopter zero diopters and under to add light be 1.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 3.168 diopters, post luminosity is 0.003 diopter; Joining and a little adding the equal luminosity of light is 0.012 diopter, and post luminosity is 0.053; It is 1.001 diopters that read point adds the equal luminosity of light, and post luminosity is 0.053 diopter; Light is 1.032 diopters the most greatly, and 0.031 diopter overflows.

Foregoing is the description to the basic parameter of each power progressive multi-focus lens in the present embodiment, below the post light of each power progressive multi-focus lens in the present embodiment, equal luminosity and ball luminosity is drawn to mark on a map and analyzes.

The post light figure that shows each power progressive multi-focus lens in the present embodiment with reference to Fig. 2-5, wherein, horizontal ordinate is corresponding with the horizontal ordinate of power progressive multi-focus lens, and ordinate is corresponding with the horizontal ordinate of power progressive multi-focus lens, and unit is all that millimeter is mm.From Fig. 2-5, arbitrary figure all can find out, effective usable floor area in the power progressive multi-focus lens in the present embodiment Hang Cheng Yuan Yongguang district, transition light district and Jin Yongguang district between 0.5 astigmatic face type radian is effective coverage, human eye sees that by this region things can not feel uncomfortable, both can meet people far away soon, can see again the things that distance is moderate, can also see in-plant things simultaneously.From figure, it can also be seen that, the transition light district of this eyeglass and rock district astigmatism and change mild, effective usable floor area in Jin Yongguang district is large, simultaneously Yuan Yongguang district in far field angle approach 180 degree, show that this power progressive multi-focus lens has broad Yuan Yongguang district.

With reference to Fig. 6-9, show all light figure of each power progressive multi-focus lens in the present embodiment, with reference to Figure 10-13, show the ball light figure of the power progressive multi-focus lens in the present embodiment, wherein, horizontal ordinate in figure is corresponding with the horizontal ordinate of power progressive multi-focus lens, ordinate is corresponding with the horizontal ordinate of power progressive multi-focus lens, and unit is all that millimeter is mm.By Fig. 6-13, can find out, in figure, include the Wei Yuanyongguang district, region that numeral 0 curve surrounds, be illustrated in Yuan Yongguang district medium power progressive multi-focus lens under to add light be 0 diopter, and the far field angle in Yuan Yongguang district can reach 180 degree.From figure, it can also be seen that, the Dao Jinyongguang district, lower Jia Guang Cong Yuanyongguang district of power progressive multi-focus lens is the increase that reading area is mild and substantially dull, and under this power progressive multi-focus lens, add light and be 1.00 diopters to the maximum, the region surrounding as included the curve of numeral 1 in figure.

With reference to Figure 14-17, showing power progressive multi-focus lens follows its equal ball light of variation of the distance of channel direction and adds the change curve that light and post light add light, wherein, in figure horizontal ordinate be follow channel direction distance with the corresponding ，Qi unit of ordinate of power progressive multi-focus lens for millimeter be mm; Ordinate is that equal Qiu Guang Jia Guang，Qi unit is diopter.The equal ball light of variation power progressive multi-focus lens of following the distance of channel direction with the curve of circle in Figure 14-17 adds the change curve of light; The post light of variation power progressive multi-focus lens that smooth curve follows the distance of channel direction adds the change curve of light.Follow the variation of the distance of channel direction, along the variation of the Y-axis in the coordinate system of power progressive multi-focus lens.From the curve with circle shown in Figure 14-17, can find out, its equal ball light of the top in the lowermost end Zhi Yuanyongguang district in power progressive multi-focus lens Jin Yongguang district adds light and evenly successively decreases, and result shows that it is uniform that the equal ball light of this eyeglass adds light gradual change.From smooth curve, can find out, power progressive multi-focus lens is along with its astigmatism distribution of variation of the distance of channel direction is in 0.1 diopter left and right, and change very even, in whole passage, astigmatism degree is little, and such power progressive multi-focus lens can effectively reduce people visual distortion sense and the number of degrees error during things soon.

With reference to Figure 18-21, show power progressive multi-focus lens along the eyeglass coordinate system X-axis change curve of its post light from left to right, wherein, in figure horizontal ordinate be X distance with the corresponding ，Qi unit of horizontal ordinate of power progressive multi-focus lens for millimeter being mm; Ordinate is that Zhu Guang，Qi unit is diopter.What with the curve of circle, describe is to join below mirror cross 17 millimeters of places along the X-axis change curve of the post light of power progressive multi-focus lens from left to right joining mirror point; The curve of band fork is described is to join below mirror point 22 millimeters of places along the X-axis change curve of the post light of power progressive multi-focus lens from left to right.From Figure 18-21, arbitrary figure all can draw, when ordinate is 0.5 diopter, joining following 17 millimeters of mirror point is that Y-axis coordinate is the channel width at-13 millimeters of places, and this channel width is the minimum widith in power progressive multi-focus lens Jin Yongguang district.Wherein, the X-axis in this curve map represents the width of passage.Will leave the surplus of 1 millimeter owing to choosing the reference point in Jin Yongguang district when joining mirror, so the minimum widith value in Jin Yongguang district being located at Y-axis coordinate for-13 millimeters of places, is millimeter places, Y-axis coordinate-12 in theory.From Figure 18-21, arbitrary figure all can also draw, joining following 22 millimeters of mirror point is that Y-axis coordinate is the channel width at-18 millimeters of places, the i.e. breadth extreme in power progressive multi-focus lens Jin Yongguang district.

Above-mentioned each figure just characterizes the passage of each power progressive multi-focus lens in the present embodiment respectively from different perspectives.With the form of table, the concrete passage to each power progressive multi-focus lens is analyzed below.Wherein, table 1 for front camber be 1.00 diopter zero diopters and under add the passage analytical table that light is 1.00 dioptric power progressive multi-focus lens.

Table 1

As shown in table 1: the Y-axis coordinate in the transition light district of power progressive multi-focus lens is 4 to-12 millimeters, and the length in known transition light district is 16 millimeters.In transition light district, selecting Y-axis coordinate is 4,0 ,-4 ,-8 and-12 to be test point, tests the channel width of each transition light sector width ，Ji transition light district, coordinate place part.As can be seen from the table, five each self-corresponding channel widths of coordinate, by the width of these five passages, the mean breadth that can obtain transition light district of averaging is 9.5 millimeters.Simultaneously, the minimum widith and the breadth extreme that in table 1, give Jin Yongguang district are respectively the effective width value that Y-axis coordinate is-13 Jin Yongguang corresponding to-18 districts, the minimum widith in Jin Yongguang district is 12.6 millimeters, the breadth extreme in Jin Yongguang district is 16.0 millimeters, and these two values are corresponding with the channel width of two curves that provide in Figure 18 between 0.5 astigmatic face type radian.In table 1, give, the far field angle of power progressive multi-focus lens is 180 degree, and wherein work is poor is +/-4 degree, and the highest astigmatism in bridge of the nose place of eyeglass is 1.03 diopters, and when joining mirror, astigmatism is that 1.03 dioptric parts can be cut off.The highest astigmatism in temporal bone place is 0.97 diopter.

Table 2 for front camber be 2.00 diopter zero diopters and under add the passage analytical table that light is 1.00 dioptric power progressive multi-focus lens.

Table 2

As shown in table 2, the mean breadth in the transition light district of power progressive multi-focus lens is 12.2 millimeters, the minimum widith in Jin Yongguang district is 12.5 millimeters, the breadth extreme in Jin Yongguang district is 16.0 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 1.05 diopters, and the highest astigmatism in temporal bone place is 0.97 diopter.

Table 3 for front camber be 4.00 diopter zero diopters and under add the passage analytical table that light is 1.00 dioptric power progressive multi-focus lens.

Table 3

As shown in table 3, the mean breadth in the transition light district of power progressive multi-focus lens is 12.5 millimeters, the minimum widith in Jin Yongguang district is 12.4 millimeters, the breadth extreme in Jin Yongguang district is 15.9 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 1.04 diopters, and the highest astigmatism in temporal bone place is 0.96 diopter.

Table 4 for front camber be 6.00 diopter zero diopters and under add the passage analytical table that light is 1.00 dioptric power progressive multi-focus lens.

Table 4

As shown in table 4, the mean breadth in the transition light district of power progressive multi-focus lens is 12.3 millimeters, the minimum widith in Jin Yongguang district is 12.3 millimeters, the breadth extreme in Jin Yongguang district is 15.9 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 1.06 diopters, and the highest astigmatism in temporal bone place is 0.99 diopter.

Power progressive multi-focus lens in the present embodiment be zero diopter and under to add light be 1.00 dioptric power progressive multi-focus lens.By the data in above-mentioned four tables, sum up and can draw, when power progressive multi-focus lens be zero diopter and under when adding light and being 1.00 diopter, the mean breadth scope of transition light district between 0.50 astigmatic face type radian is 9.5 to 12.5 millimeters, the minimum widith scope of Jin Yongguang district between 0.50 astigmatic face type radian is 11.8 to 13.1 millimeters, wherein, work is poor is 0.05 millimeter; Corresponding breadth extreme scope be 15.4 to 16.5 millimeters wherein, work is poor is also 0.05 millimeter.

Power progressive multi-focus lens in the present embodiment, the average channel width range in the transition light district between 0.5 astigmatic face radian is 9.5 to 12.5 millimeters, and transition light district is broad, and astigmatism distribution is even; Human eye, drawing near while seeing things, can remove to see things by broad transition light district, has avoided human eye to go to see that by rocking district things causes scalloping.Simultaneously, the transition light section length of the power progressive multi-focus lens in the present embodiment is 16 millimeters, this moderate length, and in transition light district, the number of focus is moderate, and Dao Jinyongguang district, Xia Jiaguangcong transition light district increases uniformly, people can not caused during things soon and jump picture.Power progressive multi-focus lens in the present embodiment also has broad Jin Yongguang district, and the far field angle of this eyeglass can reach 180 degree, shows that eyeglass has broad Yuan Yongguang district, and human eye has the wider territory, far field of looking.Adopt the power progressive multi-focus lens in the present embodiment, with a pair of glasses, both met people far away soon, met again people near soon, and in the process of transition, can not produce jumping picture and scalloping, can meet glasses wearer's different demands.Because the power progressive multi-focus lens in the present invention has broad territory, far field and the territory, near reading range looked, even if the person that therefore joins mirror is when motion or driving, human eye still can not depart from the effective coverage of eyeglass, still can remove to see things nearby by territory, near reading range, by remove to see things at a distance depending on territory, far field.Meanwhile, because the scope in transition light district is large, and near transition passage, astigmatism distribution is even and astigmatism is little, therefore also can guarantee that human eye is still clearly while going to see things by transition light district.Power progressive multi-focus lens in the present invention not only can meet when traditional progressive multi-focus lens is read newspaper under static environment the person that joins mirror or looked at the blackboard etc. to be worn, and can also meet that the person that joins mirror for example drives under dynamic environment or wear during motion.

Embodiment tri-

In the present embodiment, take respectively have front camber as 1.00,2.00,4.00 and 6.00 diopter zero diopters and under add light as 2.00 dioptric power progressive multi-focus lens be example, to adopting the power progressive multi-focus lens of progressive neutralisation design to be described in detail.

The present embodiment is described power progressive multi-focus lens for clearer, still in power progressive multi-focus lens, set up coordinate system, the Y-axis coordinate in the transition light district of power progressive multi-focus lens, joined reference point ,Yuan Yongguang district, mirror cross ,Jin Yongguang district reference point like the description in embodiment bis-.

The refractive index of the power progressive multi-focus lens in the present embodiment is 1.56; Far point height Ji Yuanyongguang district reference point is 8 millimeters apart from how much horizontal height of eyeglass; Joining mirror height, to join mirror cross be 4 millimeters apart from eyeglass how much horizontal height; Read point Ji Jinyongguang district reference point, read point height Ji Jinyongguang district reference point is apart from how much horizontal height of eyeglass, because the height of read point is positioned under how much horizontal lines, so be highly-12 millimeters; The distance that read point displacement is partial to bridge of the nose direction is 2.5 millimeters.

Front camber be 1.00 diopter zero diopters and under to add light be 2.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 1.018 diopters, post luminosity is 0.051 diopter; Joining and a little adding the equal luminosity of light is-0.005 diopter, and post luminosity is 0.068; It is 2.001 diopters that read point adds the equal luminosity of light, and post luminosity is 0.072 diopter; Light is 2.155 diopters the most greatly, and 0.155 diopter overflows.

Front camber be 2.00 diopter zero diopters and under to add light be 2.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 2.089 diopters, post luminosity is 0.032 diopter; Joining and a little adding the equal luminosity of light is 0.005 diopter, and post luminosity is 0.115; It is 2.000 diopters that read point adds the equal luminosity of light, and post luminosity is 0.068 diopter; Light is 2.134 diopters the most greatly, and 0.134 diopter overflows.

Front camber be 4.00 diopter zero diopters and under to add light be 2.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 4.146 diopters, post luminosity is 0.026 diopter; Joining and a little adding the equal luminosity of light is 0.037 diopter, and post luminosity is 0.076; It is 1.999 diopters that read point adds the equal luminosity of light, and post luminosity is 0.086 diopter; Light is 2.067 diopters the most greatly, and 0.068 diopter overflows.

Front camber be 6.00 diopter zero diopters and under to add light be 2.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 6.329 diopters, post luminosity is 0.005 diopter; Joining and a little adding the equal luminosity of light is 0.023 diopter, and post luminosity is 0.105; It is 1.999 diopters that read point adds the equal luminosity of light, and post luminosity is 0.106 diopter; Light is 2.062 diopters the most greatly, and 0.062 diopter overflows.

Foregoing is the description to the basic parameter of each power progressive multi-focus lens in the present embodiment, the post light of each power progressive multi-focus lens in the present embodiment, equal luminosity and ball luminosity is drawn to analyzing of marking on a map below.

With reference to Figure 22-25, show the post light figure of each power progressive multi-focus lens in the present embodiment, wherein, horizontal ordinate is corresponding with the horizontal ordinate of power progressive multi-focus lens, and ordinate is corresponding with the horizontal ordinate of power progressive multi-focus lens, and unit is all that millimeter is mm.From Figure 22-25, arbitrary figure all can find out, effective usable floor area in the power progressive multi-focus lens in the present embodiment Hang Cheng Yuan Yongguang district, transition light district and Jin Yongguang district between 0.5 astigmatic face type radian, it is effective coverage, human eye goes to see by this region can not feel uncomfortable in things, both can see things at a distance, can see again the things that distance is moderate, can also see in-plant things simultaneously.Meanwhile, also shown 1.0 astigmatic faces and the 1.5 astigmatic face type arc curves of power progressive multi-focus lens in figure, can find out, power progressive multi-focus lens is in transition light district and to rock district's astigmatism very low, and the transition light district astigmatism of this eyeglass changes mild.Meanwhile, from Figure 22-25, arbitrary figure all can find out that effective usable floor area in Jin Yongguang district is large, simultaneously Yuan Yongguang district in far field angle approach 180 degree, show that this power progressive multi-focus lens has broad Yuan Yongguang district.

With reference to Figure 26-29, show all light figure of each power progressive multi-focus lens in the present embodiment, with reference to Figure 30-33, show the ball light figure of the power progressive multi-focus lens in the present embodiment, wherein, horizontal ordinate in figure is corresponding with the horizontal ordinate of power progressive multi-focus lens, ordinate is corresponding with the horizontal ordinate of power progressive multi-focus lens, and unit is all that millimeter is mm.By Figure 26-33, all shown the Ji Yuanyongguang district, region that includes numeral 0 curve besieged city, be illustrated in Yuan Yongguang district medium power progressive multi-focus lens under to add light be 0 diopter, and the far field angle in Yuan Yongguang district can reach 180 degree.The Dao Jinyongguang district, lower Jia Guang Cong Yuanyongguang district of power progressive multi-focus lens is reading area increase mild and basic dullness, and under this power progressive multi-focus lens, add light and be 2.00 diopters to the maximum, the region surrounding as included the curve of numeral 2 in figure.

With reference to Figure 34-37, showing power progressive multi-focus lens follows its equal ball light of variation of the distance of channel direction and adds the change curve that light and post light add light, wherein, in figure horizontal ordinate be follow channel direction distance with the corresponding ，Qi unit of ordinate of power progressive multi-focus lens for millimeter be mm; Ordinate is that equal Qiu Guang Jia Guang，Qi unit is diopter.The equal ball light of variation power progressive multi-focus lens of following the distance of channel direction with the curve of circle in Figure 34-37 adds the change curve of light; The post light of variation power progressive multi-focus lens that smooth curve follows the distance of channel direction adds the change curve of light.Follow the variation of the distance of channel direction, along the variation of the Y-axis in the coordinate system of power progressive multi-focus lens.The curve with circle from Figure 34-37 shown in arbitrary figure can be found out, its equal ball light of the top in the lowermost end Zhi Yuanyongguang district in power progressive multi-focus lens Jin Yongguang district adds light and evenly successively decreases, and result shows that it is uniform that the equal ball light of this eyeglass adds light gradual change.Curve smooth from Figure 34 can find out, the power progressive multi-focus lens in this figure is along with its astigmatism distribution of variation of the distance of channel direction is at 0 to 0.3 diopter; Smooth curve from Figure 35-37 can find out, the power progressive multi-focus lens in figure is along with its astigmatism distribution of variation of the distance of channel direction is at 0 to 0.2 diopter; These astigmatism distribution curves show, all very little at the astigmatism degree of whole passage medium power progressive multi-focus lens, adopt this eyeglass to remove to see things, can effectively reduce the sense of people's visual distortion and number of degrees error.

With reference to Figure 38-41, show power progressive multi-focus lens along the eyeglass coordinate system X-axis change curve of its post light from left to right, wherein, in figure horizontal ordinate be X distance with the corresponding ，Qi unit of horizontal ordinate of power progressive multi-focus lens for millimeter being mm; Ordinate is that Zhu Guang，Qi unit is diopter.What with the curve of circle, describe is to join below mirror cross 17 millimeters of places along the X-axis change curve of the post light of power progressive multi-focus lens from left to right joining mirror point; The curve of band fork is described is to join below mirror point 22 millimeters of places along the X-axis change curve of the post light of power progressive multi-focus lens from left to right.From Figure 38-41, arbitrary figure all can draw, when ordinate is 0.5 diopter between 0.5 astigmatic face type radian, joining following 17 millimeters of mirror point is that Y-axis coordinate is the channel width at-13 millimeters of places, and this channel width is the minimum widith in power progressive multi-focus lens Jin Yongguang district.Wherein, the X-axis in this curve map represents the width of passage.Will leave the surplus of 1 millimeter owing to choosing the reference point in Jin Yongguang district when joining mirror, so the minimum widith value in Jin Yongguang district being located at Y-axis coordinate for-13 millimeters of places, is millimeter places, Y-axis coordinate-12 in theory.From Figure 38-41, arbitrary figure all can also draw, joining following 22 millimeters of mirror point is that Y-axis coordinate is the channel width at-18 millimeters of places, the i.e. breadth extreme in power progressive multi-focus lens Jin Yongguang district.

Above-mentioned each figure just characterizes the passage of each power progressive multi-focus lens in the present embodiment respectively from different perspectives.With the form of table, the concrete passage to each power progressive multi-focus lens is analyzed below.Wherein, table 5 for front camber be 1.00 diopter zero diopters and under add the passage analytical table that light is 2.00 dioptric power progressive multi-focus lens.

Table 5

As shown in table 5: the Y-axis coordinate in the transition light district of power progressive multi-focus lens is 4 to-12 millimeters, and the length in known transition light district is 16 millimeters.In transition light district, selecting Y-axis coordinate is 4,0 ,-4 ,-8 and-12 to be test point, tests the channel width of each transition light sector width ，Ji transition light district, coordinate place part.As can be seen from the table, five each self-corresponding channel widths of coordinate, by the width of these five passages, the mean breadth that can obtain transition light district of averaging is 6.3 millimeters.Simultaneously, the minimum widith and the breadth extreme that in table 5, give Jin Yongguang district are respectively the effective width value that Y-axis coordinate is-13 Jin Yongguang corresponding to-18 districts, the minimum widith in Jin Yongguang district is 8.2 millimeters, the breadth extreme in Jin Yongguang district is 11.3 millimeters, and these two values are corresponding with the channel width of two curves that provide in Figure 38 between 0.5 astigmatic face type radian.In table 5, give, the far field angle of power progressive multi-focus lens is 180 degree, and wherein work is poor is +/-4 degree, and the highest astigmatism in bridge of the nose place of eyeglass is 2.07 diopters, and the highest astigmatism in temporal bone place is 1.94 diopters.

Table 6 for front camber be 2.00 diopter zero diopters and under add the passage analytical table that light is 2.00 dioptric power progressive multi-focus lens.

Table 6

As shown in table 6, the mean breadth in the transition light district of power progressive multi-focus lens is 6.3 millimeters, the minimum widith in Jin Yongguang district is 8.2 millimeters, the breadth extreme in Jin Yongguang district is 11.3 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 2.11 diopters, and the highest astigmatism in temporal bone place is 1.94 diopters.

Table 7 for front camber be 4.00 diopter zero diopters and under add the passage analytical table that light is 2.00 dioptric power progressive multi-focus lens.

Table 7

As shown in table 7, the mean breadth in the transition light district of power progressive multi-focus lens is 6.1 millimeters, the minimum widith in Jin Yongguang district is 8.0 millimeters, the breadth extreme in Jin Yongguang district is 11.3 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 2.09 diopters, and the highest astigmatism in temporal bone place is 1.92 diopters.

Table 8 for front camber be 6.00 diopter zero diopters and under add the passage analytical table that light is 2.00 dioptric power progressive multi-focus lens.

Table 8

As shown in table 8, the mean breadth in the transition light district of power progressive multi-focus lens is 6.0 millimeters, the minimum widith in Jin Yongguang district is 7.9 millimeters, the breadth extreme in Jin Yongguang district is 11.3 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 2.12 diopters, and the highest astigmatism in temporal bone place is 1.98 diopters.

Power progressive multi-focus lens in the present embodiment be zero diopter and under to add light be 2.00 dioptric power progressive multi-focus lens.By the data in above-mentioned four tables, sum up and can draw, when power progressive multi-focus lens be zero diopter and under when adding light and being 2.00 diopter, the mean breadth scope of transition light district between 0.50 astigmatic face type radian is 6 to 6.3 millimeters, the minimum widith scope of Jin Yongguang district between 0.50 astigmatic face type radian is 7.4 to 8.7 millimeters, wherein, work is poor is 0.05 millimeter; Corresponding breadth extreme scope is 10.8 to 11.8 millimeters, and wherein, work is poor is also 0.05 millimeter.By above-mentioned each drafting, mark on a map and it can also be seen that, power progressive multi-focus lens in the present embodiment has broad transition light district, and astigmatism degree is very little in transition light district, all Dao Jinyongguang district, ball Guang Jiaguangcong transition light district increases uniformly, has broad Yuan Yongguang district simultaneously.

Power progressive multi-focus lens in the present embodiment, the average channel width range in the transition light district between 0.5 astigmatic face radian is 6 to 6.3 millimeters, transition light district is broad, transition light district with rock that district's astigmatism degree is little and astigmatic variation is even; Human eye, drawing near while seeing things, can remove to see things by broad transition light district, has avoided human eye to go to see that by rocking district things causes scalloping.Simultaneously, the transition light section length of the power progressive multi-focus lens in the present embodiment is 16 millimeters, this moderate length, and in transition light district, the number of focus is moderate, and Dao Jinyongguang district, Xia Jiaguangcong transition light district increases uniformly, make people can not produce into soon jumping picture during things.Power progressive multi-focus lens in the present embodiment also has broad Jin Yongguang district, and the far field angle of this eyeglass can reach 180 degree, shows that eyeglass has broad Yuan Yongguang district, and human eye has the wider territory, far field of looking.Adopt the power progressive multi-focus lens in the present embodiment, with a pair of glasses, both met people far away soon, met again people near soon, and in the process of transition, can not produce jumping picture and scalloping, can meet glasses wearer's different demands.Because the power progressive multi-focus lens in the present invention has broad territory, far field and the territory, near reading range looked, even if the person that therefore joins mirror is when motion or driving, human eye still can not depart from the effective coverage of eyeglass, still can remove to see things nearby by territory, near reading range, by remove to see things at a distance depending on territory, far field.Meanwhile, because the scope in transition light district is large, and near transition passage, astigmatism distribution is even and astigmatism is little, therefore also can guarantee that human eye is still clearly while going to see things by transition light district.Power progressive multi-focus lens in the present invention not only can meet when traditional progressive multi-focus lens is read newspaper under static environment the person that joins mirror or looked at the blackboard etc. to be worn, and can also meet that the person that joins mirror for example drives under dynamic environment or wear during motion.

Embodiment tetra-

In the present embodiment, take respectively have front camber as 1.00,2.00,4.00 and 6.00 diopter zero diopters and under add light as 3.00 dioptric power progressive multi-focus lens be example, to adopting the power progressive multi-focus lens of progressive neutralisation design to be described in detail.

Front camber be 1.00 diopter zero diopters and under to add light be 3.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 1.009 diopters, post luminosity is 0.037 diopter; Joining and a little adding the equal luminosity of light is 0.029 diopter, and post luminosity is 0.086; It is 3.000 diopters that read point adds the equal luminosity of light, and post luminosity is 0.135 diopter; Light is 3.072 diopters the most greatly, and 0.072 diopter overflows.

Front camber be 2.00 diopter zero diopters and under to add light be 3.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 2.073 diopters, post luminosity is 0.023 diopter; Joining and a little adding the equal luminosity of light is 0.027 diopter, and post luminosity is 0.090; It is 3.001 diopters that read point adds the equal luminosity of light, and post luminosity is 0.107 diopter; Light is 3.108 diopters the most greatly, and 0.107 diopter overflows.

Front camber be 4.00 diopter zero diopters and under to add light be 3.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 4.145 diopters, post luminosity is 0.028 diopter; Joining and a little adding the equal luminosity of light is 0.077 diopter, and post luminosity is 0.088; It is 2.998 diopters that read point adds the equal luminosity of light, and post luminosity is 0.131 diopter; Light is 3.094 diopters the most greatly, and 0.097 diopter overflows.

Front camber be 6.00 diopter zero diopters and under to add light be 3.00 diopter power progressive multi-focus lens, the Qi Yuanyongguang district equal luminosity of surface radian is 6.285 diopters, post luminosity is 0.012 diopter; Joining and a little adding the equal luminosity of light is 0.023 diopter, and post luminosity is 0.111; It is 3.001 diopters that read point adds the equal luminosity of light, and post luminosity is 0.136 diopter; Light is 3.066 diopters the most greatly, and 0.065 diopter overflows.

Foregoing is the description to the basic parameter of each power progressive multi-focus lens in the present embodiment, below the post light of each power progressive multi-focus lens in the present embodiment, equal luminosity and ball luminosity is drawn to mark on a map and makes a concrete analysis of.

With reference to Figure 42-45, show the post light figure of each power progressive multi-focus lens in the present embodiment, wherein, horizontal ordinate is corresponding with the horizontal ordinate of power progressive multi-focus lens, and ordinate is corresponding with the horizontal ordinate of power progressive multi-focus lens, and unit is all that millimeter is mm.From Figure 42-45, arbitrary figure all can find out, effective usable floor area in the power progressive multi-focus lens in the present embodiment Hang Cheng Yuan Yongguang district, transition light district and Jin Yongguang district between 0.5 astigmatic face type radian is effective coverage, when human eye is seen things in this region, can not feel uncomfortable, both can meet people's things of distance soon, can see again the things that distance is moderate, can also see in-plant things simultaneously.Simultaneously, 1.0 astigmatic faces, 1.5 astigmatic faces, 2.0 astigmatic faces, the 2.5 astigmatic face type arc curves of in figure, also having shown power progressive multi-focus lens, by above-mentioned curve, can find out, power progressive multi-focus lens is in transition light district and to rock district's astigmatism very low, the transition light district of this eyeglass and rock district's astigmatism and change mild.Meanwhile, from Figure 42-45, arbitrary figure all can find out that effective usable floor area in Jin Yongguang district is large, simultaneously Yuan Yongguang district in far field angle approach 180 degree, show that this power progressive multi-focus lens has broad Yuan Yongguang district.

With reference to Figure 46-49, show all light figure of each power progressive multi-focus lens in the present embodiment, with reference to Figure 50-53, show the ball light figure of the power progressive multi-focus lens in the present embodiment, wherein, horizontal ordinate is corresponding with the horizontal ordinate of power progressive multi-focus lens, ordinate is corresponding with the horizontal ordinate of power progressive multi-focus lens, and unit is all that millimeter is mm.Figure 46-53 have all shown the region surrounding with the curve that includes numeral 0, Ji Yuanyongguang district, this region, under Yuan Yongguang district medium power progressive multi-focus lens, adding light is 0 diopter, the far field angle that it can also be seen that Yuan Yongguang district from figure can reach 180 degree, the Dao Jinyongguang district, lower Jia Guang Cong Yuanyongguang district of power progressive multi-focus lens is reading area increase mild and basic dullness, and under this power progressive multi-focus lens, add light and be 3.00 diopters to the maximum, the region surrounding as included the curve of numeral 3 in figure.

With reference to Figure 54-57, showing power progressive multi-focus lens follows its equal ball light of variation of the distance of channel direction and adds the change curve that light and post light add light, wherein, in figure horizontal ordinate be follow channel direction distance with the corresponding ，Qi unit of ordinate of power progressive multi-focus lens for millimeter be mm; Ordinate is that equal Qiu Guang Jia Guang，Qi unit is diopter.The equal ball light of variation power progressive multi-focus lens of following the distance of channel direction with the curve of circle in Figure 54-57 adds the change curve of light; The post light of variation power progressive multi-focus lens that smooth curve follows the distance of channel direction adds the change curve of light.Follow the variation of the distance of channel direction, along the variation of the Y-axis in the coordinate system of power progressive multi-focus lens.The curve with circle from Figure 54-57 shown in arbitrary figure can be found out, its equal ball light of the top in the lowermost end Zhi Yuanyongguang district in power progressive multi-focus lens Jin Yongguang district adds light and evenly successively decreases, and result shows that it is uniform that the equal ball light of this eyeglass adds light gradual change.The curve that fair line from Figure 54 is described can find out, the power progressive multi-focus lens in this figure is along with its astigmatism distribution of variation of the distance of channel direction is at 0 to 0.33 diopter; Smooth curve from Figure 55 can find out, the power progressive multi-focus lens in figure is along with its astigmatism degree size distribution of variation of the distance of channel direction is at 0 to 0.5 diopter; Power progressive multi-focus lens in Figure 56 and 57 is along with its astigmatism degree size distribution of variation of the distance of channel direction is at 0 to 0.3 diopter; These astigmatism distribution curves show, the astigmatism degree in the whole passage of these power progressive multi-focus lens is all very little, visual distortion sense and number of degrees error in the time of can effectively reducing human eye and go to see things.

With reference to Figure 58-61, show power progressive multi-focus lens along the eyeglass coordinate system X-axis change curve of its post light from left to right, wherein, in figure horizontal ordinate be X distance with the corresponding ，Qi unit of horizontal ordinate of power progressive multi-focus lens for millimeter being mm; Ordinate is that Zhu Guang，Qi unit is diopter.What with the curve of circle, describe is to join below mirror cross 17 millimeters of places along the X-axis change curve of the post light of power progressive multi-focus lens from left to right joining mirror point; The curve of band fork is described is to join below mirror point 22 millimeters of places along the X-axis change curve of the post light of power progressive multi-focus lens from left to right.From Figure 58-61, arbitrary figure all can draw, when ordinate is 0.5 diopter between 0.5 astigmatic face type radian, joining following 17 millimeters of mirror point is that Y-axis coordinate is the channel width at-13 millimeters of places, and this channel width is the minimum widith in power progressive multi-focus lens Jin Yongguang district.Wherein, the X-axis in this curve map represents the width of passage.Will leave the surplus of 1 millimeter owing to choosing the reference point in Jin Yongguang district when joining mirror, so the minimum widith value in Jin Yongguang district being located at Y-axis coordinate for-13 millimeters of places, is millimeter places, Y-axis coordinate-12 in theory.From Figure 58-61, arbitrary figure all can also draw, joining following 22 millimeters of mirror point is that Y-axis coordinate is the channel width at-18 millimeters of places, the i.e. breadth extreme in power progressive multi-focus lens Jin Yongguang district.

Above-mentioned each figure just characterizes the passage of each power progressive multi-focus lens in the present embodiment respectively from different perspectives.With the form of table, the concrete passage to each power progressive multi-focus lens is analyzed below.Wherein, table 9 for front camber be 1.00 diopter zero diopters and under add the passage analytical table that light is 3.00 dioptric power progressive multi-focus lens.

Table 9

As shown in table 9: the Y-axis coordinate in the transition light district of power progressive multi-focus lens is 4 to-12 millimeters, and the length in known transition light district is 16 millimeters.In transition light district, selecting Y-axis coordinate is 4,0 ,-4 ,-8 and-12 to be test point, tests the channel width of each transition light sector width ，Ji transition light district, coordinate place part.As can be seen from the table, five each self-corresponding channel widths of coordinate, by the width of these five passages, the mean breadth that can obtain transition light district of averaging is 4.3 millimeters.Simultaneously, the minimum widith and the breadth extreme that in table 9, give Jin Yongguang district are respectively the effective width value that Y-axis coordinate is-13 Jin Yongguang corresponding to-18 districts, the minimum widith in Jin Yongguang district is 6.4 millimeters, the breadth extreme in Jin Yongguang district is 9.6 millimeters, and these two values are corresponding with the channel width of two curves that provide in Figure 58 between 0.5 astigmatic face type radian.In table 9, give, the far field angle of power progressive multi-focus lens is 180 degree, and wherein work is poor is +/-4 degree, and the highest astigmatism in bridge of the nose place of eyeglass is 3.10 diopters, and the highest astigmatism in temporal bone place is 2.86 diopters.

Table 10 for front camber be 2.00 diopter zero diopters and under add the passage analytical table that light is 3.00 dioptric power progressive multi-focus lens.

Table 10

As shown in table 10, the mean breadth in the transition light district of power progressive multi-focus lens is 4.3 millimeters, the minimum widith in Jin Yongguang district is 6.4 millimeters, the breadth extreme in Jin Yongguang district is 9.6 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 3.12 diopters, and the highest astigmatism in temporal bone place is 2.87 diopters.

Table 11 for front camber be 4.00 diopter zero diopters and under add the passage analytical table that light is 3.00 dioptric power progressive multi-focus lens.

Table 11

As shown in table 11, the mean breadth in the transition light district of power progressive multi-focus lens is 4.2 millimeters, the minimum widith in Jin Yongguang district is 6.3 millimeters, the breadth extreme in Jin Yongguang district is 9.6 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 3.11 diopters, and the highest astigmatism in temporal bone place is 2.84 diopters.

Table 12 for front camber be 6.00 diopter zero diopters and under add the passage analytical table that light is 3.00 dioptric power progressive multi-focus lens.

Table 12

As shown in table 12, the mean breadth in the transition light district of power progressive multi-focus lens is 4.2 millimeters, the minimum widith in Jin Yongguang district is 6.1 millimeters, the breadth extreme in Jin Yongguang district is 9.6 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 3.15 diopters, and the highest astigmatism in temporal bone place is 2.85 diopters.

Power progressive multi-focus lens in the present embodiment be zero diopter and under to add light be 3.00 dioptric power progressive multi-focus lens.By the data in above-mentioned four tables, sum up and can draw, when power progressive multi-focus lens be zero diopter and under when adding light and being 3.00 diopter, the mean breadth scope of transition light district between 0.50 astigmatic face type radian is 4.2 to 4.3 millimeters, the minimum widith scope of Jin Yongguang district between 0.50 astigmatic face type radian is 5.6 to 6.9 millimeters, wherein, work is poor is 0.05 millimeter; Corresponding breadth extreme scope is 9.1 to 10.1 millimeters, and wherein, work is poor is also 0.05 millimeter.By above-mentioned each figure, it can also be seen that, power progressive multi-focus lens in the present embodiment has broad transition light district, and astigmatism degree is very little in transition light district, Dao Jinyongguang district, Xia Jiaguangcong transition light district increases uniformly, has broad Yuan Yongguang district simultaneously.

Power progressive multi-focus lens in the present embodiment, the average channel width range in the transition light district between 0.5 astigmatic face radian is 4.2 to 4.3 millimeters, transition light district is broad, transition light district with rock that district's astigmatism degree is little and astigmatic variation is even; Human eye, drawing near while seeing things, can remove to see things by broad transition light district, has avoided human eye to go to see that by rocking district things causes scalloping.Simultaneously, the transition light section length of the power progressive multi-focus lens in the present embodiment is 16 millimeters, this moderate length, and in transition light district, the number of focus is moderate, and Dao Jinyongguang district, Xia Jiaguangcong transition light district increases uniformly, people can not caused during things soon and jump picture.Power progressive multi-focus lens in the present embodiment also has broad Jin Yongguang district, and the far field angle of this eyeglass can reach 180 degree, shows that eyeglass has broad Yuan Yongguang district, and human eye has the wider territory, far field of looking.Adopt the power progressive multi-focus lens in the present embodiment, with a pair of glasses, both met people far away soon, met again people near soon, and in the process of transition, can not produce jumping picture and scalloping, can meet glasses wearer's different demands.Because the power progressive multi-focus lens in the present invention has broad territory, far field and the territory, near reading range looked, even if the person that therefore joins mirror is when motion or driving, human eye still can not depart from the effective coverage of eyeglass, still can remove to see things nearby by territory, near reading range, by remove to see things at a distance depending on territory, far field.Meanwhile, because the scope in transition light district is large, and near transition passage, astigmatism distribution is even and astigmatism is little, therefore also can guarantee that human eye is still clearly while going to see things by transition light district.Power progressive multi-focus lens in the present invention not only can meet when traditional progressive multi-focus lens is read newspaper under static environment the person that joins mirror or looked at the blackboard etc. to be worn, and can also meet that the person that joins mirror for example drives under dynamic environment or wear during motion.

It should be noted that, in the present embodiment, just adding light is below that 1.00,2.00 and 3.00 diopters are example, to adopting the power progressive multi-focus lens of progressive neutralisation design to introduce in the present invention.Adopt progressive neutralisation design can also design the power progressive multi-focus lens that adds light under other, for example adding down light is 1.25 dioptric power progressive multi-focus lens.The asymmetric design of level has been used in progressive centralization design in design, has solved glasses wearer when tiltedly seeing things nearby, and when two an eye line intersect with eyeglass, right and left eyes number of degrees error is melted the problem of phase.Power progressive multi-focus lens in the present embodiment adopts photoelectricity level ultraprecise CNC(Computer Numerical Control, computer numerical control (CNC)) muller processing and fabricating, the luminosity of the power progressive multi-focus lens of making is accurate, passage and to rock district's astigmatism very low, can reduce visual distortion sense and number of degrees error.Certainly, be not limited to this, in actual fabrication process, those skilled in the art can, according to various lens parameters shown in the present, adopt other suitable mode to carry out eyeglass making.Use the power progressive multi-focus lens in the present invention, glasses wearer can adapt to eyeglass fast, has solved the large problem of assembly difficulty of progressive multi-focus lens for a long time.

Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.

Above a kind of power progressive multi-focus lens provided by the present invention is described in detail, applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.

Claims

1. a power progressive multi-focus lens, it is characterized in that: described power progressive multi-focus lens comprises: ,Jin Yongguang district, Yuan Yongguang district, transition light district and rock district, wherein, between described Yuan Yongguang district and described Jin Yongguang district, be transition light district, the both sides in described transition light district are for rocking district;

Described power progressive multi-focus lens join the described Yuan Yongguang district side that mirror cross is positioned at the horizontal perpendicular bisector of geometric center of described power progressive multi-focus lens, and the distance between described geometric center horizontal line is 4 millimeters; The reference point in described Yuan Yongguang district is positioned on the horizontal perpendicular bisector of described geometric center, and the distance between described geometric center horizontal line is 8 millimeters; Distance between the reference point in described Jin Yongguang district and described geometric center horizontal line is 12 millimeters, and while normally wearing, the distance between the reference point in described Jin Yongguang district deflection bridge of the nose direction and the horizontal perpendicular bisector of described geometric center is 2.5 millimeters;

The length of described transition light district between 0.50 astigmatic face type radian is 16 millimeters, the mean breadth scope of described transition light district between 0.50 astigmatic face type radian is 4.2 to 12.5 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatic face type radian is 5.6 to 13.1 millimeters, corresponding breadth extreme scope is 9.1 to 16.5 millimeters, and the far field angle of described power progressive multi-focus lens is 176 to 184 degree between 0.50 astigmatic face type radian.

2. power progressive multi-focus lens according to claim 1, is characterized in that:

When described power progressive multi-focus lens be zero diopter and under when adding light and being 1.00 diopter, the mean breadth scope of described transition light district between 0.50 astigmatic face type radian is 9.5 to 12.5 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatic face type radian is 11.8 to 13.1 millimeters, and corresponding breadth extreme scope is 15.4 to 16.5 millimeters.

3. power progressive multi-focus lens according to claim 1, is characterized in that:

When described power progressive multi-focus lens be zero diopter and under when adding light and being 2.00 diopter, the mean breadth scope of described transition light district between 0.50 astigmatic face type radian is 6 to 6.3 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatic face type radian is 7.4 to 8.7 millimeters, and corresponding breadth extreme scope is 10.8 to 11.8 millimeters.

4. power progressive multi-focus lens according to claim 1, is characterized in that:

When described power progressive multi-focus lens be zero diopter and under when adding light and being 3.00 diopter, the mean breadth scope of described transition light district between 0.50 astigmatic face type radian is 4.2 to 4.3 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatic face type radian is 5.6 to 6.9 millimeters, and corresponding breadth extreme scope is 9.1 to 10.1 millimeters.

5. according to the power progressive multi-focus lens described in any one in claim 1 to 4, it is characterized in that:

The mean breadth value of described transition light district between 0.50 astigmatic face type radian, by described power progressive multi-focus lens being partial to distance between described Yuan Yongguang district's side and described geometric center horizontal line, it is the width value in the described transition light district at 4 millimeters of places, the width value in transition light district is stated in described geometric center horizontal line place, the distance of being partial between described Jin Yongguang district's side and described geometric center horizontal line is the width value in the described transition light district at 4 millimeters of places, be partial to distance between described Jin Yongguang district's side and described geometric center horizontal line and be 8 millimeters of places described transition light district width value and be partial to described Jin Yongguang district's side and described geometric center horizontal line between distance be that the width value calculating mean value in the described transition light district at 12 millimeters of places obtains.

6. according to the power progressive multi-focus lens described in any one in claim 1 to 4, it is characterized in that:

Described power progressive multi-focus lens in the transition light district between 0.5 astigmatic face type radian is: between 0.5 astigmatic face type radian, from be partial between described Yuan Yongguang district's side and described geometric center horizontal line distance be 4 millimeters to the distance of being partial between described Jin Yongguang district's side and described geometric center horizontal line be 12 millimeters of regions that place surrounds.

7. according to the power progressive multi-focus lens described in any one in claim 1 to 4, it is characterized in that:

Described Jin Yongguang district at the minimum widith between 0.50 astigmatic face type radian is: between 0.50 astigmatic face type radian, the distance in described Jin Yongguang district and between described geometric center horizontal line is the light sector width at 13 millimeters of places.

8. according to the power progressive multi-focus lens described in any one in claim 1 to 4, it is characterized in that:

Described Jin Yongguang district at the breadth extreme between 0.50 astigmatic face type radian is: between 0.50 astigmatic face type radian, the distance in described Jin Yongguang district and between described geometric center horizontal line is the light sector width at 18 millimeters of places.

9. according to the power progressive multi-focus lens described in any one in claim 1 to 4, it is characterized in that:

Described power progressive multi-focus lens has front camber 1.00 diopters, 2.00 diopters, 4.00 diopters or 6.00 dioptric kinking structures.