CN217821145U - Resin out-of-focus lens with blue light prevention performance - Google Patents

Abstract

The utility model discloses a resin out of focus lens that possesses and prevent blue light performance, it includes: the defocusing lens body is provided with a far vision area suitable for watching far distance, a near vision area suitable for watching near distance, a defocusing vision area between the far vision area and the near vision area and shaking blind areas on two sides of the defocusing vision area; a hard coating layer coated on the defocusing lens body; an anti-reflection film layer plated on the surface of the hard coating layer; sequentially plating a first silicon oxide layer, a titanium oxide layer and an aluminum oxide layer on the surface of the antireflection film layer; and a second silicon dioxide layer plated at out-of-focus viewing zones. The utility model has the advantages that the far visual area and the near visual area are transited through the defocusing visual area, so that the visual area is wide, eye fatigue caused by repeated switching during far and near switching can be avoided, and eyes can be well protected; and meanwhile, the first silicon oxide layer, the titanium oxide layer and the aluminum oxide layer are plated to prevent blue light, so that the trouble that eyes are damaged by blue light is reduced.

Description

Resin out-of-focus lens with blue light prevention performance

Technical Field

The utility model belongs to the technical field of out of focus lens, specifically speaking relates to a resin out of focus lens that possesses and prevent blue light performance.

Background

As the adolescent period is the period of rapid development of the body, and meanwhile, in the learning process, the eye using requirement is very large, eyeballs need to be frequently adjusted, the extensibility is large, and the myopia is easy to form. The long-term wearing of the glasses has the habit of wearing the glasses both for far and near, so that the eyes are inevitably disordered, eyeballs are excessively stressed, and the nausea cycle caused by the continuous increase of the degrees of the glasses is caused.

The common myopia glasses only meet the requirements of far vision, are not suitable for the habits of far vision and writing of teenagers, are not in accordance with the eye using mechanism of the teenagers, and when the eyes are switched from far vision to near vision, the eyeball axis cannot follow up the adjustment of the change speed, so that the visual objects are behind the eyeball axis, the eye fatigue can be caused repeatedly, the myopia degree is further deepened, and in addition, the short-wave blue light of the digital electronic equipment also damages the eyes. Therefore, the optical defocusing lens which can effectively prevent blue light, control the degree of eyes and control the increase of the axis of eyes is significant.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to solve the technical problem that a resin out of focus lens that possesses and prevent blue light performance is provided, this resin lens can make the visual zone broad through the design from the focus district, can not cause eye fatigue because of the switching that relapses during far and near switching, can carry out fine protection to the eye, plates first silicon oxide layer, titanium oxide layer, aluminium oxide layer simultaneously and prevent the blue light, reduces the trouble of blue light damage.

In order to solve the technical problem, the utility model discloses a resin out of focus lens that possesses and prevent blue light performance, it includes:

the defocusing lens comprises a defocusing lens body, wherein the defocusing lens body is provided with a far visual area suitable for watching far, the far visual area is provided with a far focus, the far focus is positioned at the upper side of the center of the defocusing lens body and is suitable for watching a near visual area at near, the near visual area is provided with a near focus, the near focus is positioned at the lower side of the center of the defocusing lens body and is positioned in the defocusing visual area between the far visual area and the near visual area, and the defocusing visual area covers the center of the defocusing lens body and shaking blind areas at two sides of the defocusing visual area; wherein, the defocusing vision area is provided with defocusing dioptric zones which are symmetrical left and right, and the defocusing dioptric zones are densely provided with convex dioptric units;

a hard coating layer coated on the defocusing lens body;

an anti-reflection film layer plated on the surface of the hard coating layer;

sequentially plating a first silicon oxide layer, a titanium oxide layer and an aluminum oxide layer on the surface of the antireflection film layer; and

a second silicon dioxide layer plated at out-of-focus viewing zones.

According to an embodiment of the present invention, the dioptric unit is configured to have a circular shape with a diameter of 0.1mm to 1.5mm, and the surface thereof is convex or concave, and the height of the convex or concave is 0.01 μm to 4 μm.

According to the utility model discloses an embodiment, wherein above-mentioned out of focus dioptric zone horniness distributes to both sides, and diopter reduces gradually.

According to the utility model discloses an embodiment, wherein the central line mid point of above-mentioned out of focus visual area is less than the center of out of focus lens body.

According to the present invention, the distance focus is close to the center of the defocused lens body.

Compared with the prior art, the utility model discloses can obtain including following technological effect:

the far vision area and the near vision area are transited through the defocusing vision area, so that the vision area is wide, eye fatigue caused by repeated switching during far and near switching can be avoided, and eyes can be well protected; and meanwhile, the first silicon oxide layer, the titanium oxide layer and the aluminum oxide layer are plated to prevent blue light, so that the trouble that eyes are damaged by blue light is reduced.

Of course, it is not necessary for any product to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic plan view of a resin defocused lens sheet with blue light prevention performance according to an embodiment of the present invention;

fig. 2 is the embodiment of the utility model discloses the rete sketch map of resin out of focus lens that possesses blue light prevention ability.

Reference numerals

The defocused lens comprises a defocused lens body 10, a far vision area 11, a near vision area 12, a defocused vision area 13, a shaking blind area 14, a defocused refraction band 15, a hardened film layer 20, an antireflection film layer 30, a first silicon oxide layer 40, a titanium oxide layer 50, an aluminum oxide layer 60, a second silicon oxide layer 70, a far focus A, a near focus B and a defocused lens body center O.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Please refer to fig. 1 and fig. 2 together, in which fig. 1 is a schematic plan view of a resin defocusing lens sheet with blue light prevention performance according to an embodiment of the present invention; fig. 2 is the embodiment of the utility model discloses the rete sketch map of resin out of focus lens that possesses blue light prevention ability.

As shown in the figure, a resin out-of-focus lens with blue light prevention performance comprises: the defocusing lens comprises a defocusing lens body 10, wherein the defocusing lens body 10 is provided with a far vision area 11 suitable for watching far, the far vision area 11 is provided with a far focus A, the far focus A is positioned on the upper side of the center O of the defocusing lens body and is suitable for watching a near vision area 12 at near, the near vision area 12 is provided with a near focus B, the near focus B is positioned on the lower side of the center O of the defocusing lens body and is positioned in a defocusing vision area 13 between the far vision area 11 and the near vision area 12, and the defocusing vision area 13 covers the center O of the defocusing lens body and shaking blind areas 14 positioned on two sides of the defocusing vision area 13; wherein, the defocusing visual area 13 is provided with defocusing refraction bands 15 which are symmetrical left and right, and the defocusing refraction bands 15 are densely distributed with convex refraction units.

The utility model discloses an among the embodiment, four regions of defocusing lens body 10 by resin raw materials shaping play in the mould, realize progressively defocusing conversion, solved the user and seen the object of different distances and need different luminosity, reduce the problem of eye muscle load. Specifically, the defocusing visual area 13 is located in the center of the defocusing lens body 10, covers the center O of the defocusing lens body, meets the visual range of daily use, has a defocusing bending band 15 for correcting vision, and is transited to the distance visual area 11 and the near visual area 12 at the upper and lower ends. Wherein, far vision area 11 has far focus A, is located the upside part of out of focus lens body 10, becomes fan-shaped and arranges, conveniently sees far, and is applicable in driving environment demand. The near vision area 12 has a near focus B, is located at the lower side part of the defocused lens body 10, is arranged in a fan shape, is convenient to see near, is used in an environment of reading and writing, and has the same refraction degree as that of the far vision area 11. The dead zone 14 is an astigmatism zone of the lens, which is a transition zone generated when the degree of the sphere and the cylinder is higher.

The defocused lens body 10 of the utility model also has a plated multilayer functional film. Specifically, the lens comprises a hardened film layer 20 coated on a defocused lens body 10; an antireflection film layer 30 plated on the surface of the hard coating layer 20; a first silicon oxide layer 40, a titanium oxide layer 50 and an aluminum oxide layer 60 sequentially plated on the surface of the antireflection film layer 30; and a second silicon dioxide layer 70 plated at out-of-focus viewing zone 13. In the present embodiment, the hard coat layer 20 is a layer coated with a hard coat liquid. The antireflection film layer 30 is a multi-layer film layer with low refractive index and high refractive index, and aims to filter stray light and improve light transmittance. The first silicon oxide layer 40, the titanium oxide layer 50 and the aluminum oxide layer 60 are all metal oxide film layers, so that short-wave harmful blue light can be effectively filtered, and eye damage is reduced. In addition, a second silicon dioxide layer 70 is continuously plated on the widest defocusing visual area 13 in daily use, so that the thickness is increased, the durability of blue light prevention is improved, the eye area in which the middle of the glasses is located is protected, and the protection is enhanced.

In a preferred embodiment, the defocus dioptric band 15 is distributed in an angular shape to both sides, i.e. in an arrow shape symmetrical up and down, and the diopter thereof gradually decreases from inside to outside, thereby completing defocus transformation, providing defocus adjustment for the eye, reducing fatigue of eye muscles, and having a wider visual area and more comfortable use than a progressive non-peripheral astigmatism area.

Further, the dioptric unit is set in a circular shape of 0.1mm to 1.5mm, and the surface is convex or concave, and the height of the convex or concave is 0.01 μm to 4 μm. When the refraction unit is raised or recessed, it has the function of relatively increasing positive diopter or negative diopter so as to implement diopter change, and can be adapted to visual range, and can implement defocusing change and ensure eye comfort.

The utility model discloses a defocus visual area 13's central line mid point is less than defocus lens body center O, is mostly perpendicular to take in nose bridge portion because of joining in marriage the mirror, and actual glasses use the well lower part at glasses more when using, consequently sets up with focus visual area 13 on the lower side, accords with actual eye demand, and is more comfortable.

The far focus A is close to the center O of the defocused lens body relative to the near focus B, a larger far vision area is provided, and the visual field is wider.

In summary, the utility model makes the visual area wide by the transition of the far vision area and the near vision area through the defocusing vision area, so that the eye fatigue caused by repeated switching during the far and near switching can be avoided, and the eyes can be well protected; meanwhile, the first silicon oxide layer, the titanium oxide layer and the aluminum oxide layer are plated to prevent blue light, so that the trouble that eyes are damaged by blue light is reduced.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (5)

1. A resin out-of-focus lens with blue light prevention performance is characterized by comprising:

the defocusing lens body is provided with a far visual area suitable for watching far, the far visual area is provided with a far focus, the far focus is positioned on the upper side of the center of the defocusing lens body and is suitable for watching a near visual area at near, the near visual area is provided with a near focus, the near focus is positioned on the lower side of the center of the defocusing lens body and is positioned in a defocusing visual area between the far visual area and the near visual area, and the defocusing visual area covers the center of the defocusing lens body and shaking blind areas on two sides of the defocusing visual area; the defocusing vision zone is provided with defocusing refraction zones which are bilaterally symmetrical, and the defocusing refraction zones are densely covered with convex refraction units;

a hardened film layer coated on the defocused lens body;

plating an antireflection film layer on the surface of the hard coating layer;

the first silicon oxide layer, the titanium oxide layer and the aluminum oxide layer are sequentially plated on the surface of the antireflection film layer; and

a second silicon dioxide layer plated at out-of-focus viewing zones.

2. The resin defocused lens with blue light prevention performance according to claim 1, wherein the dioptric unit is configured in a circular shape with a diameter of 0.1mm-1.5mm, and the surface is convex or concave, and the height of the convex or concave is 0.01 μm-4 μm.

3. The resin defocus lens capable of preventing blue light as claimed in claim 1, wherein the defocus refraction band is angularly distributed to both sides and gradually decreases in diopter.

4. The resin defocus lens with blue light preventing effect as claimed in claim 1, wherein the center line of the defocus visual region is lower than the center of the defocus lens body.

5. The resin defocus lens with blue light blocking capability as claimed in claim 1, wherein the far focus is near the center of the defocus lens body relative to the near focus.

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