CN117930523A - Vision prevention and control lens - Google Patents
Vision prevention and control lens Download PDFInfo
- Publication number
- CN117930523A CN117930523A CN202410188472.8A CN202410188472A CN117930523A CN 117930523 A CN117930523 A CN 117930523A CN 202410188472 A CN202410188472 A CN 202410188472A CN 117930523 A CN117930523 A CN 117930523A
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- China
- Prior art keywords
- defocus
- bosses
- correction area
- vision
- lens
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- 230000004438 eyesight Effects 0.000 title claims abstract description 27
- 230000002265 prevention Effects 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000011800 void material Substances 0.000 claims description 5
- 210000001525 retina Anatomy 0.000 abstract description 18
- 230000004379 myopia Effects 0.000 abstract description 7
- 208000001491 myopia Diseases 0.000 abstract description 7
- 210000001508 eye Anatomy 0.000 description 15
- 230000000694 effects Effects 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 11
- 210000005252 bulbus oculi Anatomy 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 3
- 230000002459 sustained effect Effects 0.000 description 3
- 230000000366 juvenile effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003359 percent control normalization Methods 0.000 description 2
- 230000004515 progressive myopia Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Abstract
The invention discloses a vision prevention and control lens, which comprises an optical substrate, a first correction area and a second correction area, wherein the first correction area is positioned in the center of the optical substrate, and the second correction area is arranged around the periphery of the first correction area; wherein, a plurality of defocusing bosses are arranged on the second correction area, at least two defocusing bosses are partially overlapped, the overlapped part forms an overlapped part, and the diopter of the overlapped part is the sum of the diopters of the two overlapped defocusing bosses; the plurality of defocusing bosses are arranged in a surrounding manner and are sequentially overlapped to form a defocusing ring, an empty area is arranged in the middle of the defocusing ring, and the second correction area fills the empty area; the number of defocus rings is plural. By such an arrangement, the retina of the eye can be kept constantly sensitive to the defocus stimulus, thereby ensuring the continued effectiveness of myopia control.
Description
Technical Field
The invention relates to the technical field of vision prevention and control, in particular to a vision prevention and control lens.
Background
In the late 90 s of the last century, scientists found that in addition to the defocus signal in the central zone of the retina, hyperopic defocus in the peripheral zone of the retina is also an important factor that may cause myopia progression, and it was first internationally demonstrated that if hyperopic defocus in the peripheral zone of the retina could be well controlled, there was a 30-40% control effect on the growth of juvenile myopia. The existing simple and effective method is to wear glasses for correcting vision, namely myopia glasses, which are used for diverging and focusing light rays on retina. However, in teenagers, the eyeballs are in a development stage, and after the eyes are worn, the optical focal points of the peripheral parts of the lenses are located at the backward positions of the retina, so that the eye axis stretches, and the vision is seriously degraded.
Disclosure of Invention
The invention mainly aims to provide a vision prevention and control lens, which aims to solve the problem that after a pair of myopia glasses is worn, the optical focus of the peripheral part of the lens falls at the backward position of retina, so that the eye axis stretches, but the vision is seriously reduced.
In order to achieve the above objective, the present invention provides a vision prevention and control lens, which comprises an optical substrate, and a lens assembly, wherein the optical substrate is provided with a first correction zone and a second correction zone, the first correction zone is located at the center of the optical substrate, and the second correction zone is circumferentially arranged at the periphery of the first correction zone; wherein,
The second correction area is provided with a plurality of defocus bosses, at least two defocus bosses are partially overlapped, the overlapped part forms an overlapped part, and the diopter of the overlapped part is the sum of the diopters of the two defocus bosses overlapped.
In an embodiment, a plurality of defocusing bosses are arranged in a surrounding mode and sequentially overlapped to form a defocusing ring, an empty area is arranged in the middle of the defocusing ring, and the second correction area fills the empty area.
In an embodiment, the number of the defocus rings is plural, and diopters of the defocus bosses in part of the defocus rings are different, so that diopters of part of the superimposing portions are different.
In one embodiment, at least two of the defocus projections adjacent to the defocus ring are common.
In one embodiment, the free area in the middle of the defocus ring is circular.
In one embodiment, the diameter of the free region in the middle of the defocus ring ranges from: 0.1-9mm.
In an embodiment, the diopter range of the adjacent defocus boss is: 0 to +3d.
In an embodiment, the diopter range of the defocus protrusion is: +0.5-6D.
In one embodiment, the first correction zone has a diameter ranging from: 2-10mm.
In one embodiment, the control lens is a frame lens or a soft contact lens.
According to the technical scheme, the plurality of defocusing bulges are arranged on the second correction area in the optical base material, at least two defocusing bulges are overlapped to form the overlapped part, and the diopter of the overlapped part is the sum of diopters of the two defocusing bulges.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a vision protection lens according to the present invention;
Fig. 2 is a partial enlarged view at a in fig. 1.
Reference numerals illustrate:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Vision prevention and control lens | 110 | Optical substrate |
| 112 | First correction zone | 114 | Second correction zone |
| 120 | Defocusing boss | 130 | Superposition part |
| 140 | Empty area |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
In the late 90 s of the last century, scientists found that in addition to the defocus signal in the central zone of the retina, hyperopic defocus in the peripheral zone of the retina is also an important factor that may cause myopia progression, and it was first internationally demonstrated that if hyperopic defocus in the peripheral zone of the retina could be well controlled, there was a 30-40% control effect on the growth of juvenile myopia. The existing simple and effective method is to wear glasses for correcting vision, namely myopia glasses, which are used for diverging and focusing light rays on retina. However, in teenagers, the eyeballs are in a development stage, and after the eyes are worn, the optical focal points of the peripheral parts of the lenses are located at the backward positions of the retina, so that the eye axis stretches, and the vision is seriously degraded.
The invention provides a vision prevention and control lens 100, which comprises an optical substrate 110, a first correction area 112 and a second correction area 114, wherein the first correction area 112 is positioned at the center of the optical substrate 110, and the second correction area 114 is arranged around the periphery of the first correction area 112; the second correction area 114 is provided with a plurality of defocus bosses 120, at least two defocus bosses 120 are partially overlapped, the overlapped portion forms an overlapped portion 130, and the diopter of the overlapped portion 130 is the sum of the diopters of the two overlapped defocus bosses 120.
In this embodiment, as shown in fig. 1 to 2, the vision prevention and control lens 100 includes an optical substrate 110, the optical substrate 110 is a vision correction lens, and the optical substrate 110 mainly includes a first correction area 112 and a second correction area 114, wherein the first correction area 112 is located at a middle portion of the optical substrate 110, when the lens is worn by a user, the first correction area 112 faces a macular area of a human eye of the user to achieve an effect of correcting vision, the second correction area 114 is disposed around an outer periphery of the first correction area 112, and since the second correction area 114 is disposed around the outer periphery of the first correction area 112, and the first correction area 112 faces the macular area of the human eye, the second correction area 114 corresponds to a retinal periphery of the human eye, and in order to enable an image to be imaged in front of the peripheral retina, a plurality of defocus bosses 120 are disposed on the second correction area 114, the plurality of defocus bosses 120 can effectively refract light, in order to further enhance the effect, at least two portions of the defocus bosses 120 are overlapped to form an overlapped portion, and the overlapped portion is formed by overlapping portions of the two defocus bosses 120, so that the diopter of the overlapped portion is equal to the sum of the diopters of the two defocus bosses 120, and when the lens is used by a user, the overlapped portion formed by overlapping the plurality of defocus bosses 120 and the at least two defocus bosses 120 further forms the image in front of the peripheral retina, thereby achieving a better real force prevention and control effect, the superposition 130 is formed on the second correction zone 114 to enable the retina of the eye to maintain a sustained sensitivity to defocus stimuli, thereby ensuring a sustained effectiveness of myopia control.
In one embodiment, as shown in fig. 1-2, a plurality of defocus bosses 120 are disposed around and sequentially overlap to form a defocus ring having a void region 140 therebetween, and the second correction region 114 fills the void region 140. In order to further enhance the effect of the second correction area 114 on preventing and controlling the peripheral retina of the human eye, in this embodiment, the plurality of defocus projections 120 are disposed around the second correction area 114 and form a defocus ring, adjacent defocus projections 120 in the defocus ring are partially overlapped to form the overlapping portion, and an empty area 140 is formed in the middle part of the defocus ring, and the empty area 140 is filled with the second correction area 114.
In one embodiment, as shown in fig. 1, the number of defocus rings is plural, and the diopters of defocus bosses 120 in the partial defocus rings are different, so that the diopters of partial superimposing portions 130 are different. In order to further enhance the above-mentioned vision prevention and control effect, in this embodiment, a plurality of defocus rings are disposed on the second correction area 114 in a seamless and abutting manner, so that the area of the defocus protrusion disposed on the second correction area 114 can be effectively enhanced, thereby achieving the vision prevention and control effect, wherein the diopters of the defocus bosses 120 in the defocus rings are different, in this embodiment, the diopters of the defocus bosses 120 in the defocus rings adjacent to each other are different, or the diopters of the defocus bosses 120 in the defocus rings further away from the central macular area of the human eye are gradually increased, so that excessive limitation is not made.
In one embodiment, as shown in fig. 1-2, at least two defocus projections of adjacent defocus rings are common. In this embodiment, in order to further enhance the area of the defocus boss 120 disposed in the second correction region 114, at least two defocus protrusions, i.e., a common portion, are disposed between adjacent defocus rings, and such arrangement can effectively enhance the formation of the superimposing portion 130, thereby effectively achieving the effect of further enhancing the front of the second correction region 114 to form an image and the peripheral retina of the human eye.
In an embodiment, the defocus ring is formed by six defocus bosses 120, and the six defocus bosses 120 may have a circular structure or an irregular structure, and in this embodiment, the defocus bosses 120 are disposed with a sixty degree offset with the empty region 140 as a center, wherein six superimposing portions 130 are formed.
In one embodiment, as shown in FIG. 2, the free region 140 in the middle of the defocus ring is circular. In order to be able to maintain good visual quality, the control area in the defocus ring is therefore arranged to be circular, although in other embodiments the empty area 140 may be of other shapes.
In one embodiment, the diameter of the free region 140 in the middle of the defocus ring ranges from: 0.1-9mm. To better maintain good visual quality, the diameter of the blank area 140 may be selected to be 0.2mm or 2.0mm or 3mm or 5mm or 8mm depending on the diameter of the vision-protecting lens 100.
In one embodiment, not shown, the diopters of adjacent defocus bosses 120 range from: 0 to +3d. In order to further enhance the sustained sensitivity of the retina of the eyeball of the human eye to the defocus stimulus, therefore, in the present embodiment, the diopters of the defocus bosses 120 are different, and the diopters of two adjacent defocus bosses 120 are different by 0.5D, so that when the eyeball of the human eye rotates to look in different directions, the second correction region 114 can provide different defocus effects, so that the eyeball of the human eye can maintain sensitivity to the defocus effects, and further the prevention and control effects are better.
In one embodiment, the diopter value range of the defocus protrusion is: +0.5-6D. In this embodiment, the diopter of the defocus protrusion is 3D, but in other embodiments, the diopter of the defocus protrusion may be 0.5D or 6D.
In an embodiment, the diameter of the first correction zone 112 ranges from: 2-10mm. In this embodiment, the diameter of the first correction zone 112 is 8mm, although in other embodiments, the diameter of the first correction zone 112 may be 2mm or 10mm.
In one embodiment, the prevention and control lens is a frame lens or a soft contact lens.
The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. The vision prevention and control lens is characterized by comprising an optical substrate, wherein the optical substrate is provided with a first correction area and a second correction area, the first correction area is positioned in the center of the optical substrate, and the second correction area is arranged around the periphery of the first correction area; wherein,
The second correction area is provided with a plurality of defocus bosses, at least two defocus bosses are partially overlapped, the overlapped part forms an overlapped part, and the diopter of the overlapped part is the sum of the diopters of the two defocus bosses overlapped.
2. The vision protection and control lens of claim 1, wherein a plurality of said defocus bosses are circumferentially arranged and sequentially overlap to form a defocus ring, a void area is provided in the middle of said defocus ring, and said void area is filled with said second correction area.
3. The vision protection and control lens of claim 2, wherein the number of defocus rings is plural, and the diopters of the defocus bosses in a part of the defocus rings are different so that the diopters of a part of the superimposed portions are different.
4. A vision protection lens according to claim 3, wherein at least two of the defocus projections adjacent to the defocus ring are common.
5. The vision protection lens of claim 2, wherein the void area in the middle of the defocus ring is circular.
6. The vision-protecting and controlling lens according to claim 5, wherein the diameter of the empty area in the middle of the defocus ring ranges from: 0.1-9mm.
7. The vision control lens of claim 1, wherein the diopters adjacent to the defocus boss range from: 0 to +3d.
8. The vision protection and control lens of claim 1, wherein the defocus projection has a diopter value ranging from: +0.5-6D.
9. The vision-protecting and controlling lens according to claim 1, wherein the first correcting zone has a diameter ranging from: 2-10mm.
10. A vision-protecting and controlling lens according to any one of claims 1 to 8, wherein the controlling lens is a frame lens or a soft contact lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410188472.8A CN117930523A (en) | 2024-02-20 | 2024-02-20 | Vision prevention and control lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410188472.8A CN117930523A (en) | 2024-02-20 | 2024-02-20 | Vision prevention and control lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117930523A true CN117930523A (en) | 2024-04-26 |
Family
ID=90755701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410188472.8A Pending CN117930523A (en) | 2024-02-20 | 2024-02-20 | Vision prevention and control lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117930523A (en) |
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2024
- 2024-02-20 CN CN202410188472.8A patent/CN117930523A/en active Pending
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