CN220020013U - Myopia prevention and control lens and glasses - Google Patents
Myopia prevention and control lens and glasses Download PDFInfo
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- CN220020013U CN220020013U CN202321004017.5U CN202321004017U CN220020013U CN 220020013 U CN220020013 U CN 220020013U CN 202321004017 U CN202321004017 U CN 202321004017U CN 220020013 U CN220020013 U CN 220020013U
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- myopia prevention
- lens
- control lens
- array
- outer periphery
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- 208000001491 myopia Diseases 0.000 title claims abstract description 65
- 230000004379 myopia Effects 0.000 title claims abstract description 61
- 230000002265 prevention Effects 0.000 title claims abstract description 47
- 239000011521 glass Substances 0.000 title claims abstract description 28
- 238000003384 imaging method Methods 0.000 abstract description 11
- 239000002131 composite material Substances 0.000 abstract description 4
- 210000001508 eye Anatomy 0.000 description 14
- 230000000694 effects Effects 0.000 description 7
- 210000001525 retina Anatomy 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 201000009310 astigmatism Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 208000014733 refractive error Diseases 0.000 description 3
- 208000029091 Refraction disease Diseases 0.000 description 2
- 230000004430 ametropia Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002740 effect on eyes Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Eyeglasses (AREA)
Abstract
The utility model provides a myopia prevention and control lens and glasses, wherein the myopia prevention and control lens comprises a body, a micro lens array and a defocusing layer, the body is provided with a front surface and a rear surface, and the front surface is opposite to the rear surface; the micro lens array is arranged on the front surface, the micro lens array is provided with a first vertical projection on the body, the micro lens array is provided with an outer periphery, and the outer periphery is polygonal; and the defocusing layer is arranged on the rear surface, the defocusing layer is provided with a second vertical projection in the body, the second vertical projection is not overlapped with the first vertical projection, and the glasses frame is used for connecting the myopia prevention and control glasses and the second lenses symmetrically arranged with the myopia prevention and control glasses, so that the better myopia delay function and the better imaging quality can be realized by virtue of the double-layer composite polygonal array micro lenses.
Description
Technical Field
The utility model relates to a lens and glasses, in particular to a myopia prevention and control lens and glasses.
Background
The existing virtual far-focus lens for preventing myopia has static and virtual functions, and when some intractable myopia cannot be well controlled, the focusing lens or the far-focus lens with dynamic far-focus function can be added to strengthen the far-focus function so as to obtain a better long-term limiting effect. However, when the lens is actually used for preventing near vision, the existing lens is provided with a circular array optical area, the focusing effect or the focus shifting effect is not good, and the imaging quality of eyes of a user is poor.
Therefore, it is necessary to design a new type of myopia prevention and control lens and glasses to overcome the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to provide a myopia prevention and control lens and glasses, which can realize better myopia delay function and better imaging quality by virtue of double-layer composite polygonal array microlenses.
In order to achieve the above object, the present utility model provides a myopia prevention and control lens, comprising: a body having a front surface and a rear surface, the front surface being opposite the rear surface; the micro lens array is arranged on the front surface, the micro lens array is provided with a first vertical projection on the body, the micro lens array is provided with an outer periphery, and the outer periphery is polygonal; and the defocusing layer is arranged on the rear surface, and is provided with a second vertical projection on the body, wherein the second vertical projection is not overlapped with the first vertical projection.
Preferably, the outer perimeter is hexagonal or octagonal.
Preferably, the outer periphery has a first outer diameter, the first outer diameter being 42 mm in size.
Preferably, the microlens array has a central region from which eleven layers are arranged to the outer periphery.
Preferably, the central region has a second outer diameter having a dimension of 10 mm.
Preferably, every two adjacent layers of the microlens array have equal spacing, and the spacing is between 0.45 mm and 0.65 mm.
Preferably, each microlens of the microlens array is an aspherical microlens.
Preferably, the aspherical microlens has a diameter of between 1 mm and 1.6 mm.
Preferably, the defocusing layer and the body are integrally formed.
The utility model also provides glasses comprising the myopia prevention and control lens, the second lens and the glasses frame; the second lens is symmetrical with the myopia prevention and control lens; the glasses frame is connected with the myopia prevention and control lens and the second lens.
Compared with the prior art, the myopia prevention and control lens and the glasses provided by the utility model comprise a body, a micro lens array and a defocusing layer, wherein the body is provided with a front surface and a rear surface, and the front surface is opposite to the rear surface; the micro lens array is arranged on the front surface, the micro lens array is provided with a first vertical projection on the body, the micro lens array is provided with an outer periphery, and the outer periphery is polygonal; and the defocusing layer is arranged on the rear surface, the defocusing layer is provided with a second vertical projection on the body, the second vertical projection is not overlapped with the first vertical projection, and the glasses frame is used for connecting the myopia prevention and control glasses and second lenses symmetrically arranged with the myopia prevention and control glasses. The design adopts double-sided compounding, the rear surface adopts far-vision defocus correction design, and a continuous peripheral far-vision defocus correction area is formed in a non-microlens area of the body; the front surface adopts a micro lens array design with positive refractive power to form a compound myopia defocus region; the lens has the advantages that the function of myopia retardation is achieved, and meanwhile, the lens has better imaging quality, so that the double-layer composite polygonal array micro lens can achieve better myopia retardation and better imaging quality.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of glasses according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a myopia prevention and control lens according to one embodiment of the present utility model;
FIG. 3 is a schematic view of the outer periphery of a microlens array according to an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view at A of FIG. 2;
fig. 5 is a schematic view of the outer periphery of a microlens array according to another embodiment of the present utility model.
Description of the embodiments
For a further understanding of the objects, construction, features and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1, fig. 1 is a schematic view of glasses according to an embodiment of the utility model. The glasses 100 provided by the embodiment of the utility model include a myopia prevention and control lens 101, a second lens 102 and a glasses frame 103, wherein the myopia prevention and control lens 101 and the second lens 102 are symmetrically arranged, and the glasses frame 103 is connected with the myopia prevention and control lens 101 and the second lens 102. In specific implementation, the myopia prevention and control lens 101 and the second lens 102 are arranged on the lens frame 103 in a mirror image mode, when the user wears the glasses 100, the myopia prevention and control lens 101 is positioned in front of the left eye, focusing is carried out on the left eye, the refractive focal point in near vision can be moved to a distance of more than 5 meters, near vision is directly counteracted, gradually enhanced hyperopic defocus (front defocus) can be provided, peripheral field of vision in near vision is counteracted, and focusing sensitivity of eyeballs is trained to prevent myopia; likewise, the second lens 102 is positioned in front of the right eye and focuses the right eye. Of course, the myopia prevention and control lens 101 may be located in front of the right eye and the second lens 102 is located in front of the left eye, which is not limited thereto. The distance between the myopia prevention and control lens 101 and the second lens 102 and eyes of a user can be manually adjusted or can be automatically adjusted by adopting an electric control mode through the lens frame 103, and the distance is not limited to the distance according to actual use scenes.
Referring to fig. 2 and 3, fig. 2 is a schematic view of a myopia prevention and control lens according to an embodiment of the present utility model, and fig. 3 is a schematic view of an outer periphery of a microlens array according to an embodiment of the present utility model. The myopia prevention and control lens 101 comprises a body 11, a microlens array 12 and a defocus layer 13, wherein the body 11 is provided with a front surface and a rear surface, and the front surface is opposite to the rear surface; the micro lens array 12 is disposed on the front surface of the body 11, the micro lens array 12 has a first vertical projection S1 on the body 11, the micro lens array 12 has an outer periphery 121, and the outer periphery 121 is polygonal; the defocusing layer 13 is disposed on the rear surface of the body 11, the defocusing layer 13 has a second vertical projection S2 on the body 11, the second vertical projection S2 is not overlapped with the first vertical projection S1, for example, the defocusing layer 3 is disposed on the outer ring of the rear surface of the body 11, the microlens array 12 is disposed on the inner ring of the front surface of the body 11, and the configuration of the inner ring and the outer ring forms a non-overlapping arrangement, so that the correction area formed by the microlens array 12 can delay myopia and the defocusing area formed by the defocusing layer 13 can improve imaging quality, and thus, a better myopia delay function and a better imaging quality can be realized by the double-layer composite polygonal array microlens formed by the defocusing layer and the microlens array.
Referring to fig. 2 and 3, the body 11 of the myopia prevention and control lens 101 is in a transparent sheet structure, the body 11 is generally made of optical materials such as glass or resin, and if other properties are required to be added, for example, blue light shielding is added, the body 11 can be made of materials resistant to blue light, depending on practical requirements, but not limited thereto. The body 11 has a front surface and a rear surface, the front surface is in a micro-arc shape, the rear surface is in a micro-arc shape, and the arc directions of the front surface and the rear surface are the same, so that the whole myopia prevention and control lens 101 is beneficial to adjusting the ametropia.
Referring to fig. 2 and 3, the microlens array 12 of the myopia prevention and control lens 101 is formed by arranging a plurality of microlenses 122 having the same shape and structure, the entire microlens array 12 has an outer periphery 121, that is, the plurality of microlenses 122 at the outermost edge of the microlens array 12 form the outer periphery 121, the outer periphery 121 is formed in a hexagonal shape as a whole, each microlens 122 of the microlens array 12 is arranged in a hexagonal shape so that focusing effect on eyes of a user is improved, and the arrangement is more efficient in the process. In a preferred embodiment, the outer periphery 121 has a first outer diameter D1, and the first outer diameter D1 is 42 mm, so that the image of the object can be pulled in front of the retina, and the eye system is triggered to send a signal for slowing down the increase of the eye axis to the brain, so as to prevent and control myopia to deepen rapidly, cover the visual viewing range, and focus on the retina to achieve better imaging effect.
Referring to fig. 2 and 3, the microlens array 12 has a central region 123, and eleven layers are arranged from the central region 123 of the microlens array 12 to the outer periphery 121 of the microlens array 12, i.e., eleven microlens groups extend outwardly from the center of the microlens array 12. In a preferred embodiment, the spacing L between every two adjacent layers of the microlens array 12 is equal, the spacing L is between 0.45 mm and 0.65 mm, and each adjacent ring of the eleven-ring microlens array is equally spaced, and the gap size is between 0.45 mm and 0.65 mm, so that the material consumption is less and the focusing effect is better. The central area 123 has a second outer diameter D2, and the second outer diameter D2 has a size of 10 mm, which is matched with the pupil size of the user, so that the central area 123 is prevented from being provided with a micro lens to distort the central focusing, and the size provides more consistent diopter for users with incorrect refractive power, so as to achieve the effect of clear vision.
Referring also to fig. 4, fig. 4 is an enlarged schematic view at a in fig. 2. Each microlens 122 of the microlens array 12 is an aspherical microlens, so as to avoid adjusting refractive errors due to too small a focal length of the spherical lens. Wherein, each aspheric microlens has a diameter D3, the diameter D3 is between 1 mm and 1.6 mm, that is, the vertical projection of each microlens 122 on the body 11 has a diameter D3, and the size of the microlens 122 is moderate to be beneficial to preventing ametropia, and the eyes of the user are more comfortable when wearing the myopia prevention and control lens 100.
Referring to fig. 2 and 3, the defocus layer 13 of the myopia prevention and control lens 101 is integrally formed with the body 11, and during the process, the defocus layer 13 is directly formed on the rear surface of the body 11 in the second vertical projection S2, so as to avoid the air bubble or material compatibility difference of the rear-attached defocus layer 13, and the defocus layer 13 integrally formed with the body 11 is added with astigmatism defocus compensation to stimulate astigmatism and defocus in the peripheral area of the retina, so that the astigmatism problem can be improved to a certain extent.
Referring to fig. 5, fig. 5 is a schematic view of the outer periphery of a microlens array according to another embodiment of the present utility model. The microlens array of the present embodiment differs from the microlens array 12 of the foregoing embodiment only in that the outer periphery 121 'of the microlens array is octagonal, and the outer periphery 121' is generally octagonal, so that the focusing effect on the eyes of the user is improved due to the octagonal arrangement, and the arrangement is more efficient in the process. In a preferred embodiment, the outer periphery 121' has a first outer diameter D1, and the first outer diameter D1 is 42 mm, so that an image of an object can be pulled in front of the retina, and the eye system is triggered to send a signal for slowing down the increase of the eye axis to the brain, so as to prevent and control myopia from deepening rapidly, cover the visual viewing range, and focus on the retina to achieve better imaging effect. The rest of the structure is the same and will not be described again.
In summary, the myopia prevention and control lens and glasses provided by the utility model comprise a body, a micro lens array and a defocusing layer, wherein the body is provided with a front surface and a rear surface, and the front surface is opposite to the rear surface; the micro lens array is arranged on the front surface, the micro lens array is provided with a first vertical projection on the body, the micro lens array is provided with an outer periphery, and the outer periphery is polygonal; and the defocusing layer is arranged on the rear surface, the defocusing layer is provided with a second vertical projection on the body, and the second vertical projection is not overlapped with the first vertical projection. The glasses include myopia prevention and control lens, second lens and mirror holder, and the mirror holder is with myopia prevention and control lens and with myopia prevention and control second lens that glasses symmetry set up are connected, so, can postpone myopia and defocus region that defocus layer formed can promote imaging quality to the correction region that the microlens array formed, can realize better myopia delay function and more imaging quality by double-deck compound polygon array microlens.
Although the present utility model has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of the preferred embodiments of the utility model and are not to be construed as limiting the utility model. For clarity of description of the components required, the scale in the schematic drawings does not represent the proportional relationship of the actual components.
The utility model has been described with respect to the above-described embodiments, which are, however, merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. A myopia prevention and control lens, comprising:
a body having a front surface and a rear surface, the front surface being opposite the rear surface;
the micro lens array is arranged on the front surface, the micro lens array is provided with a first vertical projection on the body, the micro lens array is provided with an outer periphery, and the outer periphery is polygonal; and
the defocusing layer is arranged on the rear surface and is provided with a second vertical projection on the body, and the second vertical projection is not overlapped with the first vertical projection.
2. The myopia prevention and control lens according to claim 1, wherein the outer periphery is hexagonal or octagonal.
3. The myopia prevention and control lens according to claim 2, wherein the outer periphery has a first outer diameter having a dimension of 42 millimeters.
4. The myopia prevention and control lens of claim 2, wherein said microlens array has a central region with eleven layers arranged from said central region to said outer periphery.
5. The myopia prevention and control lens according to claim 4, wherein the central zone has a second outer diameter having a dimension of 10 millimeters.
6. The myopia prevention and control lens according to claim 4, wherein each adjacent two layers of the microlens array are equally spaced, the spacing being between 0.45 mm and 0.65 mm.
7. The myopia prevention and control lens of claim 1, wherein each microlens of the microlens array is an aspherical microlens.
8. The myopia prevention and control lens according to claim 7, wherein the aspherical microlenses have a diameter between 1 mm and 1.6 mm.
9. The myopia prevention and control lens of claim 1, wherein said defocus layer is integrally formed with said body.
10. An eyeglass, comprising:
a myopia prevention and control lens according to any of claims 1-9;
the second lens is symmetrically arranged with the myopia prevention and control lens; and
the glasses frame is connected with the myopia prevention and control lens and the second lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321004017.5U CN220020013U (en) | 2023-04-28 | 2023-04-28 | Myopia prevention and control lens and glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321004017.5U CN220020013U (en) | 2023-04-28 | 2023-04-28 | Myopia prevention and control lens and glasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220020013U true CN220020013U (en) | 2023-11-14 |
Family
ID=88695119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321004017.5U Active CN220020013U (en) | 2023-04-28 | 2023-04-28 | Myopia prevention and control lens and glasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220020013U (en) |
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2023
- 2023-04-28 CN CN202321004017.5U patent/CN220020013U/en active Active
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