CN114280816A - Myopia prevention and control glasses based on lens meter-shaped array - Google Patents
Myopia prevention and control glasses based on lens meter-shaped array Download PDFInfo
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- CN114280816A CN114280816A CN202210099940.5A CN202210099940A CN114280816A CN 114280816 A CN114280816 A CN 114280816A CN 202210099940 A CN202210099940 A CN 202210099940A CN 114280816 A CN114280816 A CN 114280816A
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- 208000001491 myopia Diseases 0.000 title claims abstract description 33
- 230000004379 myopia Effects 0.000 title claims abstract description 29
- 230000002265 prevention Effects 0.000 title claims abstract description 28
- 239000011521 glass Substances 0.000 title abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 48
- 230000003287 optical effect Effects 0.000 claims abstract description 26
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- 230000006872 improvement Effects 0.000 claims abstract description 8
- 238000003491 array Methods 0.000 claims description 3
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- 230000008859 change Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 208000029444 double vision Diseases 0.000 description 3
- 230000004305 hyperopia Effects 0.000 description 3
- 201000006318 hyperopia Diseases 0.000 description 3
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- 201000009310 astigmatism Diseases 0.000 description 2
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Abstract
The invention discloses a myopia prevention and control lens based on a lens meter-shaped array, which comprises a lens main body, a central optical area and a peripheral defocusing area, wherein the peripheral defocusing area is designed to be of a meter-shaped array structure, and the highest defocusing amount is added between 15 and 20 degrees of a visual field, so that the effectiveness of prevention and control is ensured, and the defocusing amount is quickly attenuated outside the area, and the visual effect is improved; the'm' -shaped array structure adopts 11 connected circular lenses in 8 main directions, so that an effective defocusing effect is ensured in the prescription protection direction of the retina of a human eye, and a gap exists between two lines in a defocusing vision improvement area, so that the human eye can observe a scene through the areas without obstacles; the 'meter' -shaped array structure does not need to specially fix the axis position when the glasses are matched, thereby facilitating the process of matching the glasses.
Description
Technical Field
The invention relates to the field of myopia prevention and control glasses, in particular to a myopia prevention and control glass based on a lens meter-shaped array.
Background
Modern ophthalmology shows that in the non-accommodative state of the eye, if an object is imaged behind the retina for a long time, the axis of the eye of a human being is lengthened, thereby forming what is called hyperopic defocus, which is common in adolescents. When the central diopter is corrected by spherical lenses, the edge can correct the head, so that peripheral vision can be imaged behind the retina, and long-term wearing can form hyperopic defocus, thereby deepening the myopic degree.
The patent publication No. CN209624928U discloses a double-vision zone myopia prevention and control lens and a double-vision zone myopia prevention and control lens, wherein the double-vision zone myopia prevention and control lens comprises a circular lens body, the lens body is divided into a far vision zone and a near vision zone below the far vision zone by a central line extending left and right, the far vision zone is a convex lens of +3.0 to +4.0D, the near vision zone is a convex lens of +1.0 to +1.5D, and the refractive indexes of the far vision zone and the near vision zone are both 1.5 to 1.6; the diameter of the lens body is 50-60 mm, and the Abbe number is 34.7; the central thickness of the lens body is more than or equal to 1 mm. The combined use of the far zone and the near zone is beneficial to the adjustment of the crystalline lens, the ciliary body and the eye muscle inside the eyes, reduces the internal self-adjustment and aggregation of the eyes, and plays a role in relieving eye fatigue, so that the effects of inhibiting the increase of the myopia degree and preventing and controlling pseudomyopia are more obvious. Especially, the near vision zone is used, so that teenagers can realize the effects of preventing and controlling myopia unconsciously during reading, writing and learning, and the defect of wearing myopia glasses conventionally is overcome.
Also, for example, chinese patent publication No. CN209624928U discloses that the central areas of the front and rear lens surfaces of the spectacle lens are combined into a central correction area, the front lens peripheral area is a base quantity positive addition value formed by a plurality of independent microlenses, the refractive power of the rear lens peripheral area is a combined difference positive addition value of the refractive power of the concave lens in the central correction area, and the combined positive addition value of the two quantities of the front and rear lens peripheral areas is a total positive addition value of the individualized peripheral treatment area from +1.00D to + 7.00D. The front and rear mirror surface peripheral regions are provided with a full-ring-shaped equivalent positive addition value, or the nose side peripheral region is larger than the temporal side peripheral region, 5 positive addition value gradient sections and 5 total positive addition value secondary stages are arranged. The central area, the peripheral area and the gradual change area of the front and the rear mirror surfaces of the spectacle lens are refractive lenses, the peripheral areas of the front and the rear mirror surfaces are correspondingly provided with a full-ring-shaped nose side peripheral area and a perfect-circle-shaped temporal side peripheral area, and 50% of the total positive value is respectively arranged on the peripheral areas of the front and the rear mirror surfaces, and the nose side peripheral area is larger than the positive value of the temporal side peripheral area.
Based on the defects of the prior art in the actual operation process, the invention solves the problems that:
1. because the defocusing amount is added between the 15-20 degrees of the field angle of human eyes, the method is effective for preventing the growth of the eye axis, and the defocusing effect is not obvious when the defocusing amount is added in other areas, so that how to design a structure to control the distribution of the defocusing amount is realized;
2. how to ensure that the human eye views the periphery unobstructed as it passes through these lens regions;
3. how to ensure that the lens is imaged behind the retina in peripheral vision to ensure that the visual area is free from interference of astigmatism.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a pair of myopia prevention and control glasses based on a lens meter-shaped array to solve the problems.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
A myopia prevention and control lens based on a lens meter-shaped array comprises a lens body, a central optical area and a peripheral defocus area, wherein the central optical area and the peripheral defocus area are both arranged on the lens body, the peripheral defocus area is distributed on the periphery of the central optical area, the peripheral defocus area is provided with a plurality of groups of array lens groups, a defocus vision improvement area is further arranged in the peripheral defocus area, the central optical area and the peripheral defocus area are arranged on the lens body to prevent hyperopic defocus formed by peripheral vision imaging behind a retina, the peripheral defocus area is designed to be of a 'meter' -shaped array structure, the highest defocus amount is added between 15-20 degrees of a visual field, accordingly, the effectiveness of prevention and control is guaranteed, and the defocus amount is rapidly attenuated outside the area to improve the visual effect.
Preferably, the central optical zone is disposed at a central location in the lens body, and the peripheral out-of-focus zone partially overlaps the central optical zone.
Preferably, the central optical zone has a diameter of 10-12mm centered on the central position of the lens body, and the peripheral out-of-focus zone has a diameter of 11-29mm centered on the central position of the lens body.
Preferably, the peripheral defocus area includes a first array area, a second array area, a third array area, a fourth array area, a fifth array area, a sixth array area, a seventh array area, an eighth array area, a ninth array area, a tenth array area, and an eleventh array area.
Preferably, the first array region to the eleventh array region are composed of circular locus arrays of circular lenses of different sizes.
Preferably, the diameters of the circular lenses of the first array area to the fifth array area are phi 1.2, phi 1.1, phi 1 and phi 0.9 in sequence.
Preferably, the diameter of the circular lenses of the sixth array region to the eleventh array region is phi 0.8.
Preferably, the first array region, the third array region, the fifth array region, the seventh array region, the ninth array region and the eleventh array region, the circular lenses of the six array regions not only follow the circular track array in each group of array regions, but also are all attached to each other tangentially.
Preferably, the second array area, the fourth array area, the sixth array area, the eighth array area and the tenth array area are respectively positioned between every two of the first array area, the third array area, the fifth array area, the seventh array area, the ninth array area and the eleventh array area, the five array areas are arranged in a'm' -shaped array along a circular track, the array interval between the circular lenses of each group is 45 degrees, the'm' -shaped array structure adopts 11 connected circular lenses in 8 main directions, an effective defocusing effect is ensured in the prescription-preserving direction of human retina, a gap exists between two rows in the defocusing vision improving area, so that human eyes can observe a scene through the areas without obstacles, the'm' -shaped array structure does not need to be specially positioned in an axis position during lens matching, and the lens matching process is facilitated.
Preferably, the spacing areas between the second array area, the fourth array area, the sixth array area, the eighth array area and the tenth array area and the first array area, the third array area, the fifth array area, the seventh array area, the ninth array area and the eleventh array area are off-focus vision improving areas, and the off-focus vision improving areas and the parts are combined to ensure that the lens is imaged on the retina in peripheral vision, and the vision areas are free from the interference of astigmatism.
Compared with the prior art, the device has the advantages that: a myopia prevention and control lens based on a lens rice-shaped array comprises a lens main body, a central optical area and a peripheral out-of-focus area,
firstly, a peripheral defocusing area is designed to be of a 'meter' -shaped array structure, the highest defocusing amount is added between 15 and 20 degrees of a visual field, so that the effectiveness of prevention and control is ensured, and the defocusing amount is quickly attenuated outside the area, so that the visual effect is improved;
the 'Mi' shaped array structure adopts 11 connected circular lenses in 8 main directions, so that an effective defocusing effect is ensured in the prescription protection direction of human retina, and a gap exists between two rows in a defocusing vision improvement area, so that human eyes can observe scenery through the areas without obstacles;
the 'meter' -shaped array structure is adopted, the special axial position is not needed to be specially fixed when glasses are matched, and the glasses matching process is facilitated;
fourthly, a central optical area and a peripheral out-of-focus area are arranged on the lens body, so as to prevent the peripheral vision imaging from forming hyperopic out-of-focus behind the retina;
the combination of the defocused vision improving area and each part ensures that the lens is imaged on the retina in peripheral vision, and the vision area has no astigmatic interference.
Drawings
FIG. 1 is a schematic structural diagram of a myopia prevention and control lens based on a lens meter-shaped array according to the present invention;
FIG. 2 is a schematic structural diagram of a myopia prevention and control lens based on a lens meter-shaped array according to the present invention;
FIG. 3 is an enlarged partial view of the present invention at A;
FIG. 4 is a schematic diagram of hyperopic defocus according to the present invention;
FIG. 5 is a schematic diagram of the hyperopic defocus correction of the present invention;
fig. 6 is a defocus amount distribution chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
A myopia prevention and control lens based on a lens meter-shaped array comprises a lens body 1, a central optical area 2 and a peripheral out-of-focus area 3, wherein the central optical area 2 and the peripheral out-of-focus area 3 are both arranged on the lens body 1, the peripheral out-of-focus area 3 is distributed on the periphery of the central optical area 2, the peripheral out-of-focus area 3 is provided with a plurality of groups of array lens groups, and an out-of-focus vision improvement area 300 is further arranged in the peripheral out-of-focus area 3. The central optical zone 2 is disposed in the central position of the lens body 1, and the peripheral out-of-focus zone 3 partially overlaps the central optical zone 2. The central optical zone 2 has a diameter of 10-12mm with the central position of the lens body 1 as the center, in this embodiment, the central optical diameter is 11.12mm, the peripheral out-of-focus zone 3 has a diameter of 11-29mm with the central position of the lens body 1 as the center, and in this embodiment, the smallest diameter of the peripheral out-of-focus zone 3 is 11.12 mm. The peripheral defocus region 3 includes a first array region 311, a second array region 312, a third array region 313, a fourth array region 314, a fifth array region 315, a sixth array region 316, a seventh array region 317, an eighth array region 318, a ninth array region 319, a tenth array region 320, and an eleventh array region 321. The diameter of the circular lens of the first array region 311 is phi 1.2, the diameter of the circular lens of the second array region 312 is phi 1.1, the diameter of the circular lens of the third array region 313 is phi 1, the diameter of the circular lens of the fourth array region 314 is phi 1, the diameter of the circular lens of the fifth array region 315 is phi 0.9, the diameter of the circular lens of the sixth array region 316 is phi 0.8, the diameter of the circular lens of the seventh array region 317 is phi 0.8, the diameter of the circular lens of the eighth array region 318 is phi 0.8, the diameter of the circular lens of the ninth array region 319 is phi 0.8, the diameter of the circular lens of the tenth array region 320 is phi 0.8, and the diameter of the circular lens of the eleventh array region 321 is phi 0.8.
The first array area 311 to the eleventh array area 321 are all composed of circular track arrays of circular lenses with different sizes, the light adding range of the circular lenses is 1.00-5.00D, and the peripheral vision of the lens body 1 is imaged on the retina of a human eye or in front of the retina, so that the external cause of the hyperopic defocus is effectively eliminated, and the purpose of preventing and controlling myopia is achieved, as shown in fig. 4, the peripheral back defocus (i.e. hyperopia) of the retina is a main cause for promoting the increasing of the myopic degree when the user looks near or at the center of the retina of the myopic eye is the front defocus (myopia) and the peripheral back defocus (hyperopia) of the retina is the back defocus (hyperopia), as shown in fig. 5, the hyperopic defocus correction principle diagram is shown.
The diameters of the circular lenses of the first array region 311 to the fifth array region 315 are phi 1.2, phi 1.1, phi 1 and phi 0.9 in sequence. The circular lens diameters of the sixth array area 316 to the eleventh array area 321 are all phi 0.8. The first array region 311, the third array region 313, the fifth array region 315, the seventh array region 317, the ninth array region 319 and the eleventh array region 321, the circular lenses of the six array regions not only follow the circular track array in each group of array regions, but also are all tangent to each other. The second array area 312, the fourth array area 314, the sixth array area 316, the eighth array area 318, and the tenth array area 320 are respectively located between two of the first array area 311, the third array area 313, the fifth array area 315, the seventh array area 317, the ninth array area 319, and the eleventh array area 321, and the five array areas are arranged in a "meter" shaped array along a circular track, and the array interval between the circular lenses of each group is 45 °. The spacing areas between the second array area 312, the fourth array area 314, the sixth array area 316, the eighth array area 318, and the tenth array area 320 and the first array area 311, the third array area 313, the fifth array area 315, the seventh array area 317, the ninth array area 319, and the eleventh array area 321 are the out-of-focus vision improvement areas 300.
A central optical zone 2 of 10-12mm diameter is provided in the central portion of the lens body 1 as the effective optical zone for normal vision applications. In order to take into account that the effect of the circular lens array on vision is as small as possible, larger circular lenses are designed the closer the lens body 1 is to the central position, while smaller circular lenses are used the farther away from the central position, thereby minimizing the effect of the array on the normal vision of the human eye. The aperture of the circular lenses is between 11mm and 29mm from the center of the lens body 1, a multi-circle circular lens array with the aperture between 1.2mm and 0.8mm is distributed, and the circular lenses are connected with each other. A structure shaped like a Chinese character 'mi' is added in the middle of the lens main body 1 and is connected with the round lens to play a role in positioning, a vision improving area is designed among gaps, facial personality data, the distance between eyes, the front rake angle, the curvature of the mirror frame surface, the diameter of a pupil and other parameters are increased according to the rotation of human eyes, and the vision definition is improved through a digital refraction path. The distance between the eyes: until now, the glasses are worn in front of eyes, the positions of the glasses are determined by that the back of the lens body 1 just can not touch eyelashes, and the distances between the back of the lens body 1 and the vertex of the cornea are determined by 12-13 mm, so that the distances between the glasses and the eyes are the positions of the lens body 1 to some extent. Front rake angle: the lens body 1 forms an included angle with the vertical line after being installed. Bending the mirror frame surface: asian curvature is typically around 0-8 without problems, and if it exceeds 15, a lens of-6.00 would become-6.14, -0.42 astigmatic, 0.30 prismatic. Some users' glasses are too loose and slide downwards, so that the surface is bent greatly, and the vision is hurt. Diameter of pupil: the size of the pupil may control the amount of light that enters the eye. The diameter of the typical human pupil can vary from 1.5 to 8.0 mm. Assuming that the diameter of the pupil can be increased by 5 times when a person enters a dark room from a bright place, the light receiving area of the pupil should be increased by 25 times; the change of the visible pupil has the effect of keeping the quantity of light entering the eye relatively constant under different illumination conditions. But the intensity of the stronger sunlight in the dark room is actually reduced by about 100 ten thousand times, so that the change in pupil size alone is far from sufficient to keep the amount of light entering the eye constant. In fact, the human eye is stimulated by light at different light intensities by different photoreceptor cells in the retina, and the rod cells which act in the dark are much more sensitive to light than the cone cells which act in the bright, so that the amount of light which enters the eye is increased only when viewing the object in the dark. In summary, the present embodiment is the best choice, and the number of the circular lens array groups and the actual size can still be determined according to the actual parameters in the actual operation process.
According to the reference (Eccentity-dependent effects of lateral competition on asymmetry in inside of the eyes monkey), adding defocus between the field angle of 15-20 ° of the human eye is effective in preventing the axial growth of the eye, while adding defocus to other regions is not significant. If the distance from the eyeball rotation center to the back surface of the lens is 27mm, the position of the corresponding lens body 1 is 27-tan (15) -7.23, and 27-tan (20) -9.83. Therefore, it is critical to add a high defocus amount between the radius of 7.23-9.83 mm. 3-7 annuluses are corresponding to the 'rice' -shaped array structure. The defocus distribution diagram shown in fig. 6 is designed on the zone, and the distribution has the advantages that: the highest defocusing amount is added between 15 degrees and 20 degrees of a visual field, so that the prevention and control effectiveness is guaranteed, and the defocusing amount is quickly attenuated outside the area, so that the visual effect is improved. The'm' -shaped array structure adopts 11 connected circular lenses in 8 main directions, and ensures that the effective defocusing effect is achieved in the prescription protection direction of human retina. And the gaps between the two rows are used in the out-of-focus vision improvement area 300 to ensure that the human eye can view the scene through these areas without obstruction. The 'meter' -shaped array structure does not need to specially fix the axis position when the glasses are matched, thereby facilitating the process of matching the glasses.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a myopia prevention and control mirror based on lens rice type array which characterized in that: the optical lens comprises a lens body (1), a central optical area (2) and a peripheral defocus area (3), wherein the central optical area (2) and the peripheral defocus area (3) are both arranged on the lens body (1), the peripheral defocus area (3) is distributed on the periphery of the central optical area (2), the peripheral defocus area (3) is provided with a plurality of groups of array lens groups, and a defocus vision improvement area (300) is further arranged in the peripheral defocus area (3).
2. A myopia prevention and control lens based on a lens meter array according to claim 1, wherein: the central optical area (2) is arranged at the central position of the lens main body (1), and the peripheral out-of-focus area (3) is partially overlapped with the central optical area (2).
3. A myopia prevention and control lens based on a lens meter array according to claim 1, wherein: the central optical area (2) takes the central position of the lens main body (1) as the center of a circle and has the diameter of 10-12mm, and the peripheral out-of-focus area (3) takes the central position of the lens main body (1) as the center of a circle and has the diameter of 11-29 mm.
4. A myopia prevention and control lens based on a lens meter array according to claim 1, wherein: the peripheral defocusing area (3) comprises a first array area (311), a second array area (312), a third array area (313), a fourth array area (314), a fifth array area (315), a sixth array area (316), a seventh array area (317), an eighth array area (318), a ninth array area (319), a tenth array area (320) and an eleventh array area (321).
5. A myopia prevention and control lens based on a lens meter array according to claim 4, wherein: the first array region (311) to the eleventh array region (321) are composed of circular locus arrays of circular lenses of different sizes.
6. A myopia prevention and control lens based on a lens meter array according to claim 4, wherein: the diameters of the circular lenses from the first array area (311) to the fifth array area (315) are phi 1.2, phi 1.1, phi 1 and phi 0.9 in sequence.
7. A myopia prevention and control lens based on a lens meter array according to claim 4, wherein: the diameters of the circular lenses of the sixth array area (316) to the eleventh array area (321) are all phi 0.8.
8. A myopia prevention and control lens based on a lens meter array according to claim 4, wherein: the first array area (311), the third array area (313), the fifth array area (315), the seventh array area (317), the ninth array area (319) and the eleventh array area (321) are arranged in a way that the circular lenses of the six array areas are not only arrayed along a circular track in each group of array areas, but also are mutually tangent.
9. A myopia prevention and control lens based on a lens meter array according to claim 4, wherein: the second array area (312), the fourth array area (314), the sixth array area (316), the eighth array area (318) and the tenth array area (320) are respectively positioned between every two of the first array area (311), the third array area (313), the fifth array area (315), the seventh array area (317), the ninth array area (319) and the eleventh array area (321), the five array areas are arrayed in a shape of a Chinese character 'mi' along a circular track, and the array interval between the circular lenses of each group is 45 degrees.
10. A myopia prevention and control lens based on a lens meter array according to claim 4, wherein: the spacing area between the second array area (312), the fourth array area (314), the sixth array area (316), the eighth array area (318), the tenth array area (320) and the first array area (311), the third array area (313), the fifth array area (315), the seventh array area (317), the ninth array area (319), the eleventh array area (321) is an out-of-focus vision improvement area (300).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099940.5A CN114280816A (en) | 2022-01-27 | 2022-01-27 | Myopia prevention and control glasses based on lens meter-shaped array |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210099940.5A CN114280816A (en) | 2022-01-27 | 2022-01-27 | Myopia prevention and control glasses based on lens meter-shaped array |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815309A (en) * | 2022-05-26 | 2022-07-29 | 苏州明世光学科技有限公司 | Out-of-focus spectacle lens and mold |
| CN114967177A (en) * | 2022-04-29 | 2022-08-30 | 丹阳佰易视光学眼镜有限公司 | Bionic compound eye defocusing lens |
| WO2024038731A1 (en) * | 2022-08-17 | 2024-02-22 | 東海光学 株式会社 | Spectacle lens for suppressing progression of refractive error |
-
2022
- 2022-01-27 CN CN202210099940.5A patent/CN114280816A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967177A (en) * | 2022-04-29 | 2022-08-30 | 丹阳佰易视光学眼镜有限公司 | Bionic compound eye defocusing lens |
| CN114815309A (en) * | 2022-05-26 | 2022-07-29 | 苏州明世光学科技有限公司 | Out-of-focus spectacle lens and mold |
| CN114815309B (en) * | 2022-05-26 | 2024-05-24 | 苏州明世光学科技有限公司 | Defocused spectacle lens and die |
| WO2024038731A1 (en) * | 2022-08-17 | 2024-02-22 | 東海光学 株式会社 | Spectacle lens for suppressing progression of refractive error |
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