CN113359320A - Aspheric lens for controlling growth speed of eye axis by retina competition - Google Patents
Aspheric lens for controlling growth speed of eye axis by retina competition Download PDFInfo
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- CN113359320A CN113359320A CN202010143999.0A CN202010143999A CN113359320A CN 113359320 A CN113359320 A CN 113359320A CN 202010143999 A CN202010143999 A CN 202010143999A CN 113359320 A CN113359320 A CN 113359320A
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- 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
- G02C7/04—Contact lenses for the eyes
- G02C7/047—Contact lens fitting; Contact lenses for orthokeratology; Contact lenses for specially shaped corneae
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- 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
- G02C7/04—Contact lenses for the eyes
- G02C7/049—Contact lenses having special fitting or structural features achieved by special materials or material structures
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Abstract
The invention provides an aspheric lens for controlling the growth speed of an eye axis by utilizing retina competition, wherein the lens internally comprises an optical area which enables the retina of an eyeball of a wearer to generate the retina competition phenomenon, when the lens is worn on the eyeball, the retina of the eyeball generates the retina competition phenomenon, so that the growth speed of the eyeball is controlled by the retina competition phenomenon, and further, the deepening of the deviation degree of near and far vision is effectively delayed, so that the effects of correcting and improving the near and far vision are achieved.
Description
Technical Field
The invention relates to an aspheric lens for controlling the growth speed of an eye axis by utilizing retina competition, in particular to an aspheric lens which can make the retina of an eyeball generate the retina competition phenomenon after the lens is worn on the eyeball so as to control the growth speed of the eyeball and further effectively delay the deepening of the deviation degree of near and far vision, thereby achieving the effects of correcting and improving the near and far vision.
Background
Myopia and hyperopia severely affect a person's ability to function properly without visual aid, and high degrees of myopia are also at increased risk of developing eye diseases, such as: high myopia increases the risk of developing pathologies such as Retinopathy (Retinopathy), cataracts (cataracts) or glaucoma (glaucoma).
Therefore, in order to correct myopia or hyperopia, the vision is corrected by wearing frame glasses or contact lenses, so that the focus is moved forward or backward to the retina to present a clearer image, and further to solve the myopia or hyperopia.
Therefore, how to try to solve the above-mentioned existing drawbacks and inconveniences is a direction that those skilled in the art are eagerly looking to research and improve.
Disclosure of Invention
Therefore, in view of the above-mentioned shortcomings, the present inventors have collected relevant data, evaluated and considered in many ways, and made a trial and error through years of experience accumulated in the industry to design an invention of an aspheric lens that controls the growth rate of the eye axis by using retinal competition.
In order to achieve the purpose, the invention adopts the technical scheme that:
an aspheric lens for controlling the growth rate of the eye axis by retinal competition, comprising: the lens includes an optic zone within which the retina of the wearer's eye produces retinal rivalry.
The aspheric lens for controlling the growth speed of the eye axis by using retina competition is characterized in that: the lens is a lens of a contact lens or a lens of a frame lens.
The aspheric lens for controlling the growth speed of the eye axis by using retina competition is characterized in that: the lens has a central optical area formed in the center of the optical area for light to pass through for imaging on the central image area of the retina of the wearer, and a peripheral optical area formed around the periphery of the central optical area on the peripheral image area around the central image area, wherein the ratio of the imaging area on the central image area to the imaging area on the peripheral image area of the retina is within the range of the retina competition phenomenon.
The aspheric lens for controlling the growth speed of the eye axis by using retina competition is characterized in that: the imaging area on the central image area of the retina is smaller than the imaging area on the peripheral image area.
The aspheric lens for controlling the growth speed of the eye axis by using retina competition is characterized in that: the ratio of the imaging area on the central image area to the imaging area on the peripheral image area of the retina is in the range of 10-40%.
The aspheric lens for controlling the growth speed of the eye axis by using retina competition is characterized in that: the central image area is positioned at the center of the retina to form a central clear image area, the central image area is positioned in front of the retina to form a central out-of-focus image area, the peripheral image area is positioned on the retina to form a peripheral out-of-focus image area, and the peripheral image area is positioned in front of the retina to form a peripheral clear image area.
The aspheric lens for controlling the growth speed of the eye axis by using retina competition is characterized in that: the ratio of the imaging area on the central image area of the retina to the imaging area on the peripheral image area is utilized when the light is focused on the central clear image area of the central image area to generate the image with clear periphery
The aspheric lens for controlling the growth speed of the eye axis by using retina competition is characterized in that: the central image area is positioned at the center of the retina to form a central out-of-focus image area, the central image area is positioned in front of the retina to form a central clear image area, the peripheral image area is positioned on the retina to form a peripheral clear image area, and the peripheral image area is positioned in front of the retina to form a peripheral out-of-focus image area.
The aspheric lens for controlling the growth speed of the eye axis by using retina competition is characterized in that: the ratio of the imaging area on the central image area of the retina to the imaging area on the peripheral image area is utilized when the light is focused on the peripheral clear image area of the peripheral image area to generate a central blurred and peripheral clear image
The aspheric lens for controlling the growth speed of the eye axis by using retina competition is characterized in that: the outside of the optical zone of the lens is a blind zone surrounded by a non-vision area.
The main advantage of the present invention is that the lens includes an optic zone inside which the retina of the eyeball of the wearer generates a retinal competition phenomenon, and when the lens is worn on the eyeball, the retina of the eyeball generates the retinal competition phenomenon to control the growing speed of the eyeball through the retinal competition phenomenon, so as to effectively delay the deepening of the deviation degree of the near and far vision, thereby achieving the purpose of correcting and improving the near and far vision.
Drawings
Fig. 1 is a schematic plan view of the present invention.
FIG. 2 is a light path diagram of the lens of the present invention for generating a central clear peripheral blurred image.
FIG. 3 is a light path diagram of the lens of the present invention for generating a clear image around the center blur.
FIG. 4 is a schematic diagram of the optical path of the lens for generating a central clear peripheral blurred image according to the present invention.
FIG. 5 is a schematic diagram of the optical path of the lens for generating a central blurred peripheral sharp image according to the present invention.
FIG. 6 is a formula of the ratio of the area imaged on the central image area to the area imaged on the peripheral image area of the retina when the present invention produces a clear central peripheral blurred image.
FIG. 7 is a formula of the ratio of the area imaged on the central image area to the area imaged on the peripheral image area of the retina when the present invention produces a sharp image around a central blur.
Description of reference numerals: 1-a lens; 11-an optical zone; 111-a central optical zone; 112-a peripheral optical zone; 12-blind area; 2-eyeball; 21-the retina; 211-central image area; 2111-central clear image area; 2112-central out-of-focus image region; 212-a peripheral image area; 2121-peripheral clear image area; 2122-peripheral out-of-focus image area; 22-pupil; 23-cornea.
Detailed Description
To achieve the above objects and advantages, and in accordance with the purpose of the invention, as embodied and broadly described herein, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, which are schematic plan views, an optical path diagram of a lens for generating a central clear peripheral blurred image and an optical path diagram of a lens for generating a central clear peripheral blurred image according to the present invention, it can be clearly seen from the drawings that the lens 1 (e.g., the lens 1 of a contact lens or the lens 1 of a frame lens, etc.) includes an optical zone 11 for enabling the retina 21 of the eyeball 2 of the wearer to generate a Retinal rivalry, a central optical zone 111 for allowing light to pass through is formed at the center of the optical zone 11 for imaging on a central image zone 211 (macula portion) of the retina 21 of the wearer, a peripheral optical zone 112 for imaging on a peripheral image zone 212 around the central image zone 211 (the peripheral image zone 212 surrounds the macula portion), and a blind zone 12 other than a visual zone is formed at the outer side of the optical zone 11 of the lens 1, the central image area 211 includes a central clear image area 2111 for focusing light to present a clear image and a central out-of-focus image area 2112 for presenting an out-of-focus image outside the central clear image area 2111, and the peripheral image area 212 includes a peripheral clear image area 2121 for focusing light to present a clear image and a peripheral out-of-focus image area 2122 for presenting an out-of-focus image outside the peripheral clear image area 2121.
When the present invention is actually used, the lens 1 can be worn on the eyeball 2 of the wearer before the lens 1 is worn, so that the light can be projected to the retina 21 behind the eyeball 2 through the optical zone 11 of the lens 1, the light beams passing through the central optical zone 111 and the peripheral optical zone 112 of the optical zone 11 are imaged on the central image zone 211 and the peripheral image zone 212 of the retina 21, respectively, and at this time, the ratio of the area imaged on the central image area 211 to the area imaged on the peripheral image area 212 of the retina 21 is within a predetermined range that allows the retina 21 to generate a retinal competition phenomenon, further, the optical zone 11 of the lens 1 can be used to generate a retinal competition phenomenon on the retina 21, so that the retinal competition phenomenon can be used to control the growth speed of the eye axis, thereby effectively delaying or preventing the depth of the deviation of the near and far vision so as to achieve the effect of correcting the near and far vision.
And both of the above-mentioned lenses 1 can make the retina 21 of the eyeball 2 generate a retinal competition phenomenon, the light rays in the first case (as shown in fig. 2) are focused on the retina 21 so that the central clear image area 2111 of the central image area 211 is positioned at the center of the retina 21 and further the peripheral out-of-focus image area 2122 of the peripheral image area 212 is positioned at the periphery of the central clear image area 2111, thus generating a central clear peripheral blurred image, the light rays in the second case (as shown in fig. 3) are focused at the periphery of the retina 21 so that the central out-of-focus image area 2112 of the central image area 211 is positioned at the center of the retina 21 and further the peripheral clear image area 2121 of the peripheral image area 212 is positioned at the periphery of the central out-of-focus image area 2112, thus generating a central blurred peripheral clear image, both of the above-mentioned cases can make the retina 21 perform a retinal competition phenomenon, thereby correcting myopia and hypermetropia.
The imaging area of the central image area 211 of the retina 21 is preferably smaller than the imaging area of the peripheral image area 212, but in practical applications, the ratio of the imaging area of the central image area 211 of the retina 21 to the imaging area of the peripheral image area 212 may be within a predetermined range of 10-40%, so as to enable the retina 21 of the eyeball 2 to effectively generate a retinal competition phenomenon.
In addition, as shown in fig. 4, fig. 5, fig. 6, and fig. 7, which are schematic diagrams of an optical path of a lens for generating a central sharp peripheral blurred image, a schematic diagram of an optical path of a lens for generating a central sharp peripheral blurred image, a formula of a ratio of an imaging area on a central image area to an imaging area on a peripheral image area of the retina when a central sharp peripheral blurred image is generated, and a formula of a ratio of an imaging area on a central image area to an imaging area on a peripheral image area of the retina when a central sharp peripheral blurred image is generated according to the present invention, it is clear from the figures that, when the lens 1 of the present invention is an image for generating a central sharp peripheral blurred image, a ratio of an imaging area on a central image area 211 of the retina 21 to an imaging area on a peripheral image area 212 can be calculated according to the following formulas:
Ha': central sharp image area 2111 imaging radius, Hb"to make: the peripheral out-of-focus image area 2122 images a radius.
And the central sharp image region 2111 has an imaging radius (H)a') can be calculated by the following formula:
Ha′＝(L1+L2)tan(ua)-a
ua: light exit angle of central optical zone 111, a: radius, L, of the central optical zone 1111: distance from cornea 23 to pupil 22, L2: the distance from pupil 22 to retina 21.
And the imaging radius (H) of the peripheral out-of-focus image area 2122b 〃) The blur image and exit pupil relation can be calculated by the following formula:
Hb″＝(L2/L3)Hb′
L2: distance from pupil 22 to retina 21, L3: distance H from pupil 22 to peripheral sharp image area 2121b': the peripheral sharp image area 2121 is imaged at a radius.
And the imaging radius (H) of the peripheral sharp image area 2121b') can be calculated by the following formula:
IIb′-(L1+L3)[tan(ub)-tan(ua)]-L1tan0-p+a
ua: light exit angle, u, of central optical zone 111b: light exit angle of the peripheral optical zone 112, p: pupil 22 radius, θ: angle of field, L1: distance from cornea 23 to pupil 22, L3: pupil 22 to the imaging distance of peripheral sharp image area 2121.
In addition, the formula of the ratio of the imaging area on the central image area 211 to the imaging area on the peripheral image area 212 of the retina 21 is calculated by substituting the above formulas to obtain the formula of fig. 6, and the values in fig. 6 are:
p: pupil 22 radius, θ: angle of field of viewA: radius, n, of the central optical zone 1111: refractive index n between lens 1 and object to be observed2: refractive index between lens 1 and pupil 22, u: angle of incidence of marginal rays, ca: center optical zone 111 curvature, cb: curvature, L, of the peripheral optical zone 1121: distance from cornea 23 to pupil 22, L2: distance from pupil 22 to retina 21, L3: pupil 22 to the imaging distance of peripheral sharp image area 2121.
When the lens 1 of the present invention is a clear image with a blurred center, the ratio of the imaging area on the central image area 211 to the imaging area on the peripheral image area 212 of the retina 21 can be calculated by the following formula:
Ha': imaging radius H of peripheral clear image area 2121b": the central out-of-focus image area 2112 images a radius.
And the peripheral clear image region 2121 (H)a') can be calculated by the following formula:
Ha′＝(L1+L2)[tan(ua)-tan(ub)]-L1tanθ-p+b
ua: light exit angle u of the peripheral optical zone 112b: light exit angle of central optical zone 111, b: radius, L, of the central optical zone 1111: distance from cornea 23 to pupil 22, L2: distance from pupil 22 to retina 21, p: pupil 22 radius, θ: angle of field of view.
And the imaging radius (H) of the central out-of-focus image area 2112b") can be calculated by the following equation for the relationship between the blur image and the exit pupil:
Hb″＝(L2/L3)Hb′
L2: distance from pupil 22 to retina 21, L3: imaging distance, H, from pupil 22 to central out-of-focus image area 2112b': the central sharp image area 2111 images a radius.
And the central sharp image region 2111 has an imaging radius (H)b') can be calculated by the following formula:
Hb′＝(L1+L3)tan(ub)-b
ub: light exit angle of central optical zone 111, b: radius, L, of the central optical zone 1111: distance from cornea 23 to pupil 22, L3: the distance from pupil 22 to the central sharp image area 2111.
In addition, the formula of the ratio of the imaging area on the central image area 211 to the imaging area on the peripheral image area 212 of the retina 21 is calculated by substituting the above formulas to obtain the formula of fig. 7, and the values in fig. 7 are:
p: pupil 22 radius, θ: angle of field, a: radius, n, of the peripheral optical zone 1121: refractive index n between lens 1 and object to be observed2: refractive index between lens 1 and pupil 22, u: angle of incidence of marginal rays, ca: curvature, c, of the peripheral optical zone 112b: central optical zone 111 curvature, L1: distance from cornea 23 to pupil 22, L2: distance from pupil 22 to retina 21, L3: the distance from pupil 22 to the central sharp image area 2111.
Therefore, the present invention is directed to a lens 1 which is worn on an eyeball 2, wherein an optical region 11 of the lens 1 is capable of generating a retinal competition phenomenon on a retina 21 of the eyeball 2 to control the growing speed of the eyeball 2, so as to effectively delay the deepening of the deviation degree of the near-distance vision and the far-distance vision, thereby achieving the effects of correcting and improving the near-distance vision and the far-distance vision, therefore, all structures and devices capable of achieving the above effects should be covered by the present invention, and such simple modification and equivalent structural changes should be included in the protection scope of the present invention, and it is clarified that the above description is only a preferred embodiment of the present invention, and not a limitation to the scope of the present invention.
Claims (10)
1. An aspheric lens for controlling the growth rate of the eye axis by retinal competition, comprising: the lens includes an optic zone within which the retina of the wearer's eye produces retinal rivalry.
2. The aspheric lens for controlling eye axis growth rate using retinal rivalry as defined in claim 1, wherein: the lens is a lens of a contact lens or a lens of a frame lens.
3. The aspheric lens for controlling eye axis growth rate using retinal rivalry as defined in claim 1, wherein: the lens has a central optical area formed in the center of the optical area for light to pass through for imaging on the central image area of the retina of the wearer, and a peripheral optical area formed around the periphery of the central optical area on the peripheral image area around the central image area, wherein the ratio of the imaging area on the central image area to the imaging area on the peripheral image area of the retina is within the range of the retina competition phenomenon.
4. The aspheric lens for controlling eye axis growth rate using retinal rivalry as defined in claim 3, wherein: the imaging area on the central image area of the retina is smaller than the imaging area on the peripheral image area.
5. The aspheric lens for controlling eye axis growth rate using retinal rivalry as defined in claim 3, wherein: the ratio of the imaging area on the central image area to the imaging area on the peripheral image area of the retina is in the range of 10-40%.
6. The aspheric lens for controlling eye axis growth rate using retinal rivalry as defined in claim 3, wherein: the central image area is positioned at the center of the retina to form a central clear image area, the central image area is positioned in front of the retina to form a central out-of-focus image area, the peripheral image area is positioned on the retina to form a peripheral out-of-focus image area, and the peripheral image area is positioned in front of the retina to form a peripheral clear image area.
7. The aspheric lens for controlling eye axis growth rate using retinal rivalry as defined in claim 6, wherein: the ratio of the imaging area on the central image area of the retina to the imaging area on the peripheral image area is utilized when the light is focused on the central clear image area of the central image area to generate the image with clear periphery
8. The aspheric lens for controlling eye axis growth rate using retinal rivalry as defined in claim 3, wherein: the central image area is positioned at the center of the retina to form a central out-of-focus image area, the central image area is positioned in front of the retina to form a central clear image area, the peripheral image area is positioned on the retina to form a peripheral clear image area, and the peripheral image area is positioned in front of the retina to form a peripheral out-of-focus image area.
9. The aspheric lens for controlling eye axis growth rate using retinal rivalry as defined in claim 8, wherein: the ratio of the imaging area on the central image area of the retina to the imaging area on the peripheral image area is utilized when the light is focused on the peripheral clear image area of the peripheral image area to generate a central blurred and peripheral clear image
10. The aspheric lens for controlling eye axis growth rate using retinal rivalry as defined in claim 1, wherein: the outside of the optical zone of the lens is a blind zone surrounded by a non-vision area.
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| CN202010143999.0A CN113359320A (en) | 2020-03-04 | 2020-03-04 | Aspheric lens for controlling growth speed of eye axis by retina competition |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6811258B1 (en) * | 2003-06-23 | 2004-11-02 | Alan H. Grant | Eyeglasses for improved visual contrast using hetero-chromic light filtration |
| TW201211618A (en) * | 2010-09-09 | 2012-03-16 | Univ Hong Kong Polytechnic | A method and system for retarding the progression of myopia |
| CN102472899A (en) * | 2009-10-22 | 2012-05-23 | 库柏维景国际控股公司 | Contact lens sets and methods to prevent or slow progression of myopia or hyperopia |
| TWI638203B (en) * | 2017-11-08 | 2018-10-11 | 亨泰光學股份有限公司 | Filter area construction of the lens |
| CN109581690A (en) * | 2018-12-25 | 2019-04-05 | 天津医科大学眼科医院 | Eyeglass, glasses and acquisition defocusing amount parameter, the method with mirror and Evaluated effect |
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2020
- 2020-03-04 CN CN202010143999.0A patent/CN113359320A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6811258B1 (en) * | 2003-06-23 | 2004-11-02 | Alan H. Grant | Eyeglasses for improved visual contrast using hetero-chromic light filtration |
| CN102472899A (en) * | 2009-10-22 | 2012-05-23 | 库柏维景国际控股公司 | Contact lens sets and methods to prevent or slow progression of myopia or hyperopia |
| TW201211618A (en) * | 2010-09-09 | 2012-03-16 | Univ Hong Kong Polytechnic | A method and system for retarding the progression of myopia |
| TWI638203B (en) * | 2017-11-08 | 2018-10-11 | 亨泰光學股份有限公司 | Filter area construction of the lens |
| CN109581690A (en) * | 2018-12-25 | 2019-04-05 | 天津医科大学眼科医院 | Eyeglass, glasses and acquisition defocusing amount parameter, the method with mirror and Evaluated effect |
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