CN207473224U - A kind of eyeglass for slowing down visual fatigue - Google Patents
A kind of eyeglass for slowing down visual fatigue Download PDFInfo
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- CN207473224U CN207473224U CN201721675918.1U CN201721675918U CN207473224U CN 207473224 U CN207473224 U CN 207473224U CN 201721675918 U CN201721675918 U CN 201721675918U CN 207473224 U CN207473224 U CN 207473224U
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Abstract
The utility model discloses a kind of eyeglasses for slowing down visual fatigue, including the first eyeglass and the second eyeglass, the lower edge of first eyeglass is the arc of indent, second eyeglass top edge is the arc of evagination, the arc of first eyeglass indent is connected with the arc of the second eyeglass evagination and forms a complete circular eyeglass, and the area of the first eyeglass is 1.5 ~ 2.8 times of the second lens area.The eyeglass visual field is broad, can realize and easily be seen closely in use, and just looking near field also has the function of eyes to alleviate asthenopia.
Description
Technical field
The utility model is related to a kind of eyeglass, in particular to a kind of eyeglass for having the function of to slow down visual fatigue.
Background technology
Near-sighted glasses are the essential products that the crowd of hypometropia corrects defects of vision, and are generally made by concavees lens.By single recessed
The eyeglass that mirror makes is seen remote or sees that nearly institute by the number of degrees of eyeglass is all identical in use, and actually sees closely ratio and see
Effect can be more preferable when the remote number of degrees are appropriate smaller, can mitigate visual fatigue.In order to overcome above-mentioned deficiency, the mirror of some near-sighted glasses
The eyeglass of the different number of degrees of one piece of small circular has been separately provided in middle and lower part for piece, and dedicated for seeing near when uses, seemingly entire
The window of a very little has been opened in eyeglass.Since the eyeglass of the difference number of degrees is limited by compared with small area and circular nature, make
When seeing near using the part lens, eyes need laborious " aiming " eyeglass in, and during reading, eyes and head will be followed on book
Word move back and forth, and the visual field seen is also not open enough.
Farsighted glasses is the essential product that juvenile hyperopia eye, the elderly presbyopia crowd correct defects of vision, generally by convex lens
It makes.The eyeglass made by single convex lens see in use it is remote or see it is near be all by the number of degrees of eyeglass it is identical,
And actually see that closely effect can be more preferable during than seeing that the remote number of degrees are appropriate bigger, then seeming when single lens see near, comparison is painstaking, eye
Eyeball is uncomfortable, even needs to take off one's glasses and change into the convex lens of the larger number of degrees sometimes, the use of such single lens is with regard to band
It is many inconvenient to come.In order to overcome above-mentioned deficiency, a lumpiness number bigger has been separately provided in middle and lower part for the eyeglass of some farsighted glasses
Small circular convex lens eyeglass, dedicated for for presbyopic it is near soon when use, seemingly in entire eyeglass on opened very little
Window.Since the convex lens eyeglass is limited by compared with small area and circular nature, in use when seeing near using the part lens,
Since small circular area is restricted, when closely reading newspaper, eyes and head will be moved left and right with the word on report, it is seen that the visual field
Range is too small, and the visual field is not open enough.
Utility model content
The purpose of this utility model is to provide a kind of eyeglass for slowing down visual fatigue, and the eyeglass visual field is broad, can in use
To realize that light see far is seen closely, and just looking near field also has myopic or hyperopic defocus in the work of corresponding alleviation asthenopia
With.
To achieve the above object, the utility model takes following technical scheme：
A kind of eyeglass for slowing down visual fatigue, including the first eyeglass and the second eyeglass, the lower edge of the first eyeglass is indent
Arc, the second eyeglass top edge is the arc of evagination, and the arc of the first eyeglass indent is connected with the arc of the second eyeglass evagination
It connects and forms a complete circular eyeglass, the area of the first eyeglass is 1.5 ~ 2.8 times of the second lens area, the complete circle
A diameter of 50 ~ 80 millimeters of shape eyeglass, first eyeglass are goggles or convex lens, and the second eyeglass is for convex lens or by convex lens
The convex lens prism that mirror and prism are combined；Or first eyeglass be concavees lens, the second eyeglass for concavees lens or by concavees lens and
The recessed prism that prism is combined；Or first eyeglass be concavees lens, the second eyeglass is convex lens or by convex lens and prism
The convex lens prism being combined.
Preferably, first eyeglass is convex lens, and the second eyeglass is combined for convex lens or by convex lens and prism
Convex lens prism when, the first center of lens number of degrees be less than 75 ~ 400 degree of the second center of lens number of degrees.
Preferably, first eyeglass is concavees lens, and the second eyeglass is combined for concavees lens or by concavees lens and prism
Recessed prism when, the center number of degrees of the first eyeglass are more than 75 ~ 400 degree of the second center of lens number of degrees.
Preferably, the arc of the evagination of the arc and the second eyeglass of the indent of first eyeglass is monosymmetric throwing
Object line, and the center of circle of the complete circular eyeglass is located on the first eyeglass..
In above-mentioned technical proposal, the first eyeglass lower edge is set as concave arc, the second eyeglass top edge is set as outer
Convex, then the two is joined together to form complete circle, be conducive to have under the premise of the first eyeglass normal use is ensured
The area of effect the second eyeglass of increase, allows user to be seen closely more easily by the second eyeglass, reading is lighter, and the visual field is openr.The
Two eyeglasses are combined using prism with concavees lens, using recessed prism when user sees near, are played and are seen and near such as see remote, near point
Direction forward movement effect；Second eyeglass is combined using convex lens or prism with convex lens, can alleviate visual fatigue,
Make the long sights such as presbyopia near soon more easily, to teenage pseudomyopia and low degree short sightedness, play a counter regulation treatment and mist
It is regarded as using.Arc is defined to symmetrical parabola, the first eyeglass and the second eyeglass can be made far with closely using distribution more reasonable, to improve
Using effect.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Specific embodiment
Below in conjunction with the accompanying drawings, the utility model is described further：
As shown in Figure 1, originally slow down the eyeglass of myopia visual fatigue, including the first eyeglass 1 and the second eyeglass 2, the first mirror
The lower edge 3 of piece is the arc of indent, and the second eyeglass top edge is the arc of evagination, and the lower edge 3 of the first eyeglass and the
The top edge of two eyeglasses is connected, so as to form a complete circular eyeglass 4.First eyeglass and the integrally formed system of the second eyeglass
Make, realize Nature Link.The area of first eyeglass is 1.5 ~ 2.8 times of the second lens area, the diameter of complete circular eyeglass
It is 50 ~ 80 millimeters.
In specific making, the first eyeglass is concavees lens, and the second eyeglass is combined for concavees lens or by concavees lens and prism
Recessed prism.Prism, which has, makes seen image become remote effect, so as to which teen-age myopia is made to slow down fatigue, makes it
Myopia degree is deepened slow.Preferably, the center number of degrees of the first eyeglass are more than 75 ~ 400 degree of the second center of lens number of degrees.
Or first eyeglass be convex lens, the second eyeglass is convex lens or the convex transdermal edge that is combined by convex lens and prism
Mirror, can be preferably near soon for presbyopic, and the second eyeglass is unobscured, and eyes is helped to reduce and are adjusted, and makes to see closely easily
Comfortably, alleviate visual fatigue.Preferably, the center number of degrees of the first eyeglass are less than 75 ~ 400 degree of the second center of lens number of degrees.Especially
Ground, the first eyeglass can also be goggles.
Or first eyeglass be concavees lens, the second eyeglass is convex lens or the convex transdermal edge that is combined by convex lens and prism
Mirror, this can be preferably near soon for presbyopia.To teenage pseudomyopia and low degree short sightedness, play a counter regulation and control
It treats and mist is regarded as using.In addition prism seen image forward（A distant place）Draw, play and see and closely such as see remote effect, so as to just near
There is certain help depending on teenager and pseudomyopia, it is made suitably to alleviate and control.
The arc of the evagination of the arc of the indent of first eyeglass and the second eyeglass is monosymmetric parabola, and described
The center of circle of complete circular eyeglass is located on the first eyeglass.The region of the second eyeglass can greatly be expanded in this way, brought to using
It is convenient.
The present embodiment is the explanation conceived to the utility model and realized, is not intended to limit it, in this reality
With under novel design, without the technical solution that substantially converts still in protection domain.
Claims (4)
1. a kind of eyeglass for slowing down visual fatigue, including the first eyeglass and the second eyeglass, which is characterized in that the first eyeglass it is following
Arc of the edge for indent, arc of the second eyeglass top edge for evagination, the arc of the first eyeglass indent and the second eyeglass evagination
Arc is connected and forms a complete circular eyeglass, and the area of the first eyeglass is 1.5 ~ 2.8 times of the second lens area, described
A diameter of 50 ~ 80 millimeters of complete circular eyeglass, first eyeglass are goggles or convex lens, and the second eyeglass is convex lens
Or the convex lens prism being combined by convex lens and prism；Or first eyeglass be concavees lens, the second eyeglass for concavees lens or by
The recessed prism that concavees lens and prism are combined；Or first eyeglass be concavees lens, the second eyeglass is convex lens or by convex lens
The convex lens prism that mirror and prism are combined.
2. the eyeglass as described in claim 1 for slowing down visual fatigue, which is characterized in that first eyeglass is convex lens, the
When two eyeglasses is convex lens or the convex lens prisms being combined by convex lens and prism, the first center of lens number of degrees are less than the second mirror
75 ~ 400 degree of the piece center number of degrees.
3. the eyeglass as described in claim 1 for slowing down visual fatigue, which is characterized in that first eyeglass is concavees lens, the
When two eyeglasses is concavees lens or the recessed prisms being combined by concavees lens and prism, the center number of degrees of the first eyeglass are more than second
75 ~ 400 degree of the center of lens number of degrees.
4. the eyeglass for slowing down visual fatigue as described in claim 1,2 or 3, which is characterized in that first eyeglass it is interior
Recessed arc and the arc of the evagination of the second eyeglass are monosymmetric parabola, and the center of circle of the complete circular eyeglass
On the first eyeglass.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720072501 | 2017-01-20 | ||
| CN201720072495 | 2017-01-20 | ||
| CN2017200724958 | 2017-01-20 | ||
| CN201720072502 | 2017-01-20 | ||
| CN201720072501X | 2017-01-20 | ||
| CN2017200725024 | 2017-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207473224U true CN207473224U (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721675918.1U Active CN207473224U (en) | 2017-01-20 | 2017-12-06 | A kind of eyeglass for slowing down visual fatigue |
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| Country | Link |
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| CN (1) | CN207473224U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581691A (en) * | 2019-01-08 | 2019-04-05 | 大连奇想科技有限公司 | Stealthy ultex and preparation method thereof |
| CN112596265A (en) * | 2020-12-26 | 2021-04-02 | 李新亚 | Glasses for old people driving automobile |
-
2017
- 2017-12-06 CN CN201721675918.1U patent/CN207473224U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581691A (en) * | 2019-01-08 | 2019-04-05 | 大连奇想科技有限公司 | Stealthy ultex and preparation method thereof |
| CN112596265A (en) * | 2020-12-26 | 2021-04-02 | 李新亚 | Glasses for old people driving automobile |
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