CN114176895A - Cornea protective glasses for animals - Google Patents
Cornea protective glasses for animals Download PDFInfo
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- CN114176895A CN114176895A CN202111390485.6A CN202111390485A CN114176895A CN 114176895 A CN114176895 A CN 114176895A CN 202111390485 A CN202111390485 A CN 202111390485A CN 114176895 A CN114176895 A CN 114176895A
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- 230000001681 protective effect Effects 0.000 title claims abstract description 29
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 16
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
- A61F9/0017—Introducing ophthalmic products into the ocular cavity or retaining products therein implantable in, or in contact with, the eye, e.g. ocular inserts
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eyeglasses (AREA)
Abstract
The invention discloses a cornea protective lens for animals, which comprises a lens, wherein the lens is in a concave-convex lens shape, has a smooth inner surface and a smooth outer surface, the outer surface is a convex surface, the inner surface is a concave surface, the lens is composed of an inner lens layer and an outer lens layer, a colored ring band is filled between the inner lens layer and the outer lens layer at the edge of the lens through a film pressing mode, two small holes in a circular, square or irregular shape are also formed at the edge of the lens, the lens is made of a soft hydrophilic material with high oxygen permeability and high water content, the oxygen permeability coefficient DK (ISO; hPa) range is 30-50, the water content range is 65-78%, a dye and an ultraviolet absorbent are added in the soft hydrophilic material, the lens is specially designed for animals, is a soft contact woundplast and a therapeutic lens, can prevent the cornea from being dried or stimulated when being worn on the surface of the animal cornea, and prevent pets from touching the cornea, meanwhile, therapeutic drugs can be dripped between the lens and the cornea, so that the regeneration of corneal epithelium is promoted, and the pain is relieved.
Description
Technical Field
The invention relates to the technical field of soft corneal contact lenses, in particular to a cornea protective lens for animals.
Background
With the change of social structure and the development of social economy, the solitary and empty nest groups are gradually expanded, and the pets gradually become emotional sustenance. According to research data, 37.1% of visitors regard the pet as a friend, more than 40% of visitors regard the pet as a parent, and the emotional demand promotes the development of the medical economy of the pet. The data show that the Chinese pet medical market scale will increase to 2670 billion yuan in 2021, and with the increase of the number of pets, the development space of the pet medical market in the future is huge, and the development of the pet medical market is increased by more than 10% every year.
Corneal ulceration, corneal perforation, eyelid defects are the most common ophthalmic diseases in animals. Nerves are distributed over the corneal surface, so animals with corneal diseases often exhibit symptoms of ocular pain, such as: lacrimation, half-open eyes (blepharospasm), photophobia, occasional paw-grabbing of the eye, conjunctival congestion (white to red eyes), corneal edema (white black eye), etc. If proper treatment is not available in a timely manner or care is not properly taken during the treatment, the disease condition may rapidly worsen, possibly resulting in corneal and conjunctival adhesion, blindness, and even suppurative panophthalmitis, which may eventually lead to the loss of the eyes.
At present, most of treatment means of animal corneal diseases are drug treatment and surgical treatment, but the drugs need to be repeatedly used by sick animals every day, and the drugs are easy to evaporate or rub off by the animals and are not easy to keep when being on the surfaces of the animal corneas. The operation treatment needs conjunctival flap covering operation, but the cornea and the conjunctiva are not separated after the operation, and the cornea and the conjunctiva are easy to be adhered. Therefore, there is an urgent need to develop a keratoprotective lens for animals to solve the above technical problems.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a cornea protective lens for animals, which is designed for animals, is a soft contact band-aid and a therapeutic lens, can be worn on the surface of the cornea of the animal to prevent the cornea from being dried or stimulated and prevent pets from touching the cornea, and can drop therapeutic drugs between the lens and the cornea to promote the regeneration of the corneal epithelium and relieve pain, thereby having wide application prospect and being beneficial to popularization and application.
In order to achieve the purpose, the cornea protection mirror for animals comprises a lens, wherein the lens is in a concave-convex lens shape and is provided with a smooth inner surface and a smooth outer surface, the outer surface of the lens is a convex surface, the inner surface of the lens is a concave surface, the lens is composed of an inner lens layer and an outer lens layer, a colored annular belt is filled between the inner lens layer and the outer lens layer at the edge of the lens in a pressed film mode, two small holes in circular, square or irregular shapes are formed in the edge of the lens, the lens is made of a soft hydrophilic material with high oxygen permeability and high water content, the oxygen permeability coefficient DK (ISO; hPa) ranges from 30 to 50, the water content ranges from 65 to 78%, and a dye and an ultraviolet absorbent are added into the soft hydrophilic material.
Preferably, the overall diameter of the lens is 14.0-35.0 mm.
Preferably, the radius of curvature of base arc of the lens is 8.3-20.0 mm.
Preferably, the central thickness of the lens is 0.05-0.15 mm.
Preferably, the lens is formed by one-time film pressing injection molding.
Preferably, the edge of the lens is a rounded edge.
Preferably, the colored annulus is positioned between 2.0-3.0mm from the edge of the lens.
Preferably, the width of the color zone is 1.0 mm.
The cornea protective glasses for animals provided by the invention have the following beneficial effects.
1. The cornea protective mirror is specially designed for animals, is used for isolating eyelids from corneas, can reduce stimulation of the eyelids to the corneas, prevents animals from scratching and scratching the corneas for the second time, and is used for storing liquid medicine, treating the corneal ulcer of the animals and reducing the pain of the animals. The base arc size of the lens is adapted to the size of an animal cornea and can be stably attached to the cornea; the inner and outer surfaces of the lens are smooth, so that secondary damage to the cornea is avoided; the edge of the lens adopts a round edge, so that the lens has good stability and centering performance, and the mechanical abrasion of the ocular surface is reduced; the material of the lens is added with dye and ultraviolet absorbent, so that the eyes of animals can be protected, the stimulation of sunlight to the eyes of the animals is reduced, and simultaneously, sand blown into the eyes is prevented.
2. The invention is in a sheet concave-convex lens shape, has smooth and firm surface, adopts circular edge design on the edge, has the total diameter slightly smaller than the diameter of the animal eye cornea, has the base arc curvature radius slightly larger than the front surface of the cornea, has bandage effect, can treat or assist to treat various eye surface diseases, such as corneal epithelium injury and corneal ulcer, protects the damaged cornea from stimulation and promotes the regeneration of epithelial cells.
3. The edge of the lens is provided with two small holes which are mainly used for supplying oxygen to the cornea and dripping liquid medicine and are also convenient for taking the lens by grasping and pinching with tweezers. The liquid medicine is dripped into the small hole and permeates between the lens and the cornea, so that the cornea ulcer of animals can be treated, the pain of the animals is reduced, and the use is convenient, safe and comfortable.
4. The design of the color ring belt at the edge of the lens is beneficial to observing the wearing condition of the cornea protective glasses. When the lens is transparent and is worn in the eye of an animal, the wearing state of the cornea protective lens cannot be well observed, and particularly when the eye of the animal is turbid or edema, the wearing state of the cornea protective lens can be easily observed through the colored ring belt. And a color ring band is filled between the inner lens layer and the outer lens layer in a film pressing mode, so that the color dye can be prevented from directly contacting eyes, and the eye stimulation is reduced.
Drawings
FIG. 1 is a front view of an animal keratoprotective lens provided by the present invention;
FIG. 2 is a side sectional view and a partially enlarged view of an animal keratoprotective lens provided by the present invention;
FIG. 3 is a schematic view of the animal keratoprotective glasses;
FIG. 4 is a front view and a side sectional view of embodiment 1 of the present invention;
FIG. 5 is a front view and a side sectional view of embodiment 2 of the present invention;
FIG. 6 is a front view and a side sectional view of embodiment 3 of the present invention;
fig. 7 is a front view of a keratoprotective lens selector plate for an animal.
In the figure:
1. lens 101, outer lens layer 102, inner lens layer 103, aperture 104, circular edge 105, color zone 2, animal eye structure 201, cornea 301, lens 302, circular aperture 303, color zone 304, base arc radius of curvature 305, overall diameter 306, center thickness 401, lens 402, square aperture 403, color zone 404, base arc radius of curvature 405, overall diameter 406, center thickness 501, lens 502, irregularly shaped aperture 503, color zone 504, base arc radius of curvature 505, overall diameter 506, center thickness 601, size groove 602, size groove parameter 603, and the plate name selected.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and accompanying drawings to assist in understanding the contents of the invention.
As shown in fig. 1-2, which are a front view, a side sectional view and a partially enlarged view of an animal keratoscope according to the present invention. The cornea protective glasses for animals comprises a lens 1, wherein the lens 1 is in a concave-convex lens shape and is provided with a smooth inner surface and a smooth outer surface, the outer surface is a convex surface, and the inner surface is a concave surface. The inner and outer surfaces are smooth to avoid secondary damage to the animal cornea 201. The lens 1 is composed of an inner lens layer 102 and an outer lens layer 101, and a color ring band 105 is filled between the inner lens layer 102 and the outer lens layer 101 at the edge of the lens through a film pressing mode. The design of the color ring belt at the edge is beneficial to observing the wearing condition of the cornea protective glasses. When the lens 1 is transparent, it is worn in the eye of an animal, and the wearing state of the keratoprotective lens cannot be observed well, especially when the eye of an animal is turbid or edema, the wearing state of the keratoprotective lens can be easily observed by the colored ring band 105. And the color ring belt 105 is filled between the inner lens layer 102 and the outer lens layer 101 in a film pressing mode, so that the color dye can be prevented from directly contacting the eyes, and the eye stimulation is reduced. Two small holes 103 with round, square or irregular shapes are arranged at the edge of the lens 1, two small holes are arranged at the edge and are mainly used for supplying oxygen to the cornea 201, dropping liquid medicine and facilitating the use of tweezers to grasp and pinch to wear the lens 1. The liquid medicine is dripped through the small hole 103 and permeates between the lens 1 and the cornea 201, so that the cornea 201 ulcer of an animal can be treated, the pain of the animal is reduced, and the use is convenient, safe and comfortable. The lens 1 is made of a soft hydrophilic material with high oxygen permeability and high water content, the oxygen permeability coefficient DK (ISO; hPa) ranges from 30 to 50, the water content ranges from 65 to 78%, and the dye and the ultraviolet absorbent are added into the soft hydrophilic material, so that the stimulation of sunlight to the eyes of animals can be reduced, and meanwhile, wind sand is prevented from blowing into the eyes. The lens 1 can be worn continuously for more than 48 h. Preferably, the overall diameter of the lens 1 is 14.0-35.0 mm. The radius of curvature of base arc of the lens 1 is 8.3-20.0 mm. The center thickness of the lens 1 is 0.05-0.15 mm. The lens 1 is formed by one-time film pressing injection molding. The edge of the lens 1 is a rounded edge 104 with good stability and centration to reduce ocular surface mechanical wear. The color zone 105 is arranged between 2.0 mm and 3.0mm from the edge of the lens 1. The width of the color zone 105 is 1.0 mm. Fig. 3 is a schematic view showing the wearing of the cornea protective glasses for animals according to the present invention. When in use, the lens 1 is attached to the cornea 102 of the animal eye structure 2, and the base curve size of the lens 1 is matched with the size of the cornea 102 of the animal, so that the lens can be stably attached to the cornea 102.
Example 1:
fig. 4 is a front view and a side sectional view of embodiment 1 of the present invention. The cornea protective lens for animals is made of soft transparent hydrophilic acrylic acid material, the oxygen permeability coefficient DK (ISO; hPa) is 32, and the water content is 72%. The lens 301 includes two circular apertures 302. The overall diameter 305 of the lens 301 is 14.0mm, the base curve radius 304 of the lens 301 is 8.3mm, the center thickness 306 of the lens 301 is 0.05mm, and the diameter of the circular aperture 302 is 1.5 mm.
The embodiment is suitable for cats or superminiature dogs with xerophthalmia, and is mainly used for storing liquid medicine and keeping the cornea moist. The design size of the central thickness 306 is 0.05mm, and for small-size eyeballs, the central thickness 306 reduces the compression effect of the protective glasses and reduces the pain of animals; the designed size of the base arc curvature radius 304 is 8.3mm, so that the gap between the lens 301 and the animal cornea is increased, the liquid medicine can be ensured to be stored between the lens 301 and the cornea, and the cornea is kept moist; the designed diameter size of the small round hole 302 is 1.5mm, and the small round hole 302 has the functions of supplying oxygen to the cornea and dropping the liquid medicine, and is also convenient for taking the lens 301 by grasping and pinching with tweezers.
Example 2:
fig. 5 is a front view and a side sectional view of embodiment 2 of the present invention. The cornea protective lens for animals is made of soft transparent hydrophilic acrylic acid materials, the oxygen permeability coefficient DK (ISO; hPa) is 32, and the water content is 75%. The lens 401 includes two square apertures 402. The overall diameter 405 of the lens 401 is 18.0mm, the base arc radius 404 of curvature of the lens 401 is 9.6mm, the center thickness 406 of the lens 401 is 0.12mm, and the sides of the square aperture 402 are 1.2 mm.
The embodiment is suitable for medium-sized dogs suffering from corneal ulcer, is mainly used for healing corneal wounds and relieving eye pain of animals. The design size of the central thickness 406 is 0.12mm, and for the middle-sized eyeball, the central thickness 406 increases the compression effect of the protective glasses and reduces the pain of animals; the designed size of the base arc curvature radius 404 is 9.6mm, and the base arc curvature radius is adapted to the size of the medium-sized dog cornea, so that the cornea protective lens can be stably attached to the cornea, and the cornea protective lens is prevented from sliding and dislocating; the design side length of the small square hole 402 is 1.2mm, and the small square hole 402 has the functions of supplying oxygen to the cornea and dripping anti-inflammatory drugs, and is convenient for taking the lens 401 by grasping and pinching with tweezers.
Example 3:
fig. 6 is a front view and a side sectional view of embodiment 3 of the present invention. The cornea protective lens for animals is made of soft hydrophilic acrylic acid materials, is gray by adding dyes and ultraviolet absorbers, has an oxygen permeability coefficient DK (ISO; hPa) of 45 and a water content of 74 percent. The lens 501 includes two irregularly shaped apertures 502. The overall diameter 505 of the lens 501 is 35.0mm, the base curve radius 504 of the lens 501 is 18.0mm, the center thickness 506 of the lens 501 is 0.12mm, and the maximum diameter dimension of the irregular shaped aperture 502 is 1.2 mm.
The embodiment is suitable for being used by match horses, and is mainly used for wind prevention, sand prevention and light intensity reduction. The design size of the central thickness 506 is 0.12mm, and for large-size eyeballs, the central thickness 506 reduces the compression effect of protective glasses and can avoid strong foreign body sensation; the designed size of the base arc curvature radius 504 is 18.0mm, and the base arc curvature radius is adaptive to the size of a horse cornea, so that the cornea protective lens can be stably attached to the cornea, and the cornea protective lens is prevented from sliding and dislocating; the irregular-shaped orifice 502 is designed to have a maximum size of 1.2mm, and the irregular-shaped orifice 502 supplies oxygen to the cornea, and facilitates the use of forceps for grasping and taking the lens 501. The dye and the ultraviolet absorbent are added into the manufacturing material of the embodiment, so that infrared rays and 98% of ultraviolet rays can be absorbed, the light intensity is effectively reduced, the surrounding brightness is reduced, the horse racing is facilitated to concentrate attention, the external influence is avoided, and meanwhile, the eye irritation caused by sunlight is reduced; and can prevent silt of mud ground match, sand ground match from blowing into horse eyes, make the horse race can not receive the place to hinder smoothly and finish the race.
The using method of the invention comprises the following steps:
(1) the size of the animal cornea 201 is compared by using a selection plate (shown in fig. 7) of the cornea protective lens for animals, and an appropriate cornea protective lens for animals is selected, wherein the total diameter of the cornea protective lens for animals is generally required to be less than about 0.5mm of the diameter of the animal cornea 201. The name 603 of the selection plate is marked on the surface of the selection plate of the cornea protective glasses for animals, size grooves 601 with different sizes are arranged on two sides of the selection plate, and size groove parameters 602 are marked above the size grooves 601.
(2) After selecting the animals with the corneal protective glasses, they were washed in physiological saline.
(3) When the lens 1 is worn, the lens 1 can be worn by tweezers or fingers, the tweezers or the fingers need to be cleaned and disinfected, after the front and back surfaces of the lens 1 are confirmed, the tweezers or the fingers are used for clamping the lens 1, the lens 1 is attached to the surface of a cornea 201, if the operation is inconvenient, the tweezers can be inserted into two symmetrical small holes 103 of the lens 1, the tweezers can grab the lens conveniently, after the lens 1 is worn, the small holes 103 in the lens 1 are ensured to be positioned above eyeballs, and then eyelids are manually opened and closed for several times, so that the attaching degree of the lens 1 and the cornea 201 is ensured.
(4) Pouring the liquid medicine, aligning the injection head of the liquid medicine to the small hole 103, slightly squeezing the liquid medicine inwards, ensuring that the liquid medicine is uniformly spread between the lens 1 and the animal cornea 201, covering the liquid medicine on the surface of the cornea 201, keeping the surface of the cornea 201 moist, ensuring that the liquid medicine can cover the surface of the cornea 201 for a long time and is not easy to evaporate and rub off.
(5) The lens 1 is taken off, the lens 1 is clamped by tweezers or a thumb and a forefinger and then taken down, and the taken-down lens 1 is stored in physiological saline.
The invention is specially designed for animals, is a soft contact band-aid and a therapeutic lens, can prevent cornea from drying or being stimulated when being worn on the surface of cornea 201 of an animal, can reduce stimulation of the eyelid to the cornea 201 by the eyelid, prevent pets from touching the cornea 201, prevent animals from scratching and scratching the cornea 201 for the second time, and can drop therapeutic drugs between the lens 1 and the cornea 201 to promote epithelial regeneration of the cornea 201 and relieve pain. In addition, the material of the lens 1 is added with dye and ultraviolet absorbent, so that the eyes of animals can be protected, the stimulation of sunlight to the eyes of the animals can be reduced, and simultaneously, wind sand is prevented from blowing into the eyes. The invention is in a sheet concave-convex lens shape, has smooth and firm surface, adopts the design of a circular edge 104 at the edge, has the total diameter slightly smaller than the diameter of the animal eye cornea 201, has the base arc curvature radius slightly larger than the front surface of the cornea 201, has the bandage effect, can treat or assist in treating various eye surface diseases, such as corneal epithelium injury and corneal ulcer, protects the damaged cornea from stimulation and promotes the regeneration of epithelial cells.
The inventive concept is explained in detail herein using specific examples, which are given only to aid in understanding the core concepts of the invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. The utility model provides an animal is with cornea protective glass, which characterized in that, includes the lens, the lens is unsmooth lens form, has smooth internal surface and surface, and its surface is the convex surface, and the internal surface is the concave surface, the lens comprises scope lamella and outer lens layer, and colored clitellum is filled through the pressed film formula in its edge between scope lamella and outer lens layer, and two shapes for circular, square or irregularly shaped aperture have been seted up at the lens edge, the lens is made by the soft hydrophilic material of high oxygen permeability, high water content, and oxygen permeation coefficient DK scope is 30-50, and the water content scope is 65-78%, add dyestuff and ultraviolet absorbent in the soft hydrophilic material.
2. A keratoprotective lens for animals according to claim 1 wherein the total diameter of the lens is 14.0-35.0 mm.
3. The lens according to claim 2, wherein the radius of curvature of base arc of the lens is 8.3-20.0 mm.
4. A keratoprotective lens for animals according to claim 3 wherein the central thickness of the lens is 0.05-0.15 mm.
5. The animal keratoprotective lens of claim 4, wherein the lens is formed by one-time film-pressing injection molding.
6. An animal keratoprotective lens as claimed in claim 5, wherein the edge of the lens is a rounded edge.
7. An animal keratoprotective lens as claimed in claim 6, wherein the colored zone is located between 2.0 mm and 3.0mm from the edge of the lens.
8. The lens according to claim 7, wherein the width of the color zone is 1.0 mm.
Priority Applications (1)
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CN202111390485.6A CN114176895A (en) | 2021-11-23 | 2021-11-23 | Cornea protective glasses for animals |
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CN202111390485.6A CN114176895A (en) | 2021-11-23 | 2021-11-23 | Cornea protective glasses for animals |
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CN114176895A true CN114176895A (en) | 2022-03-15 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB897634A (en) * | 1960-01-05 | 1962-05-30 | Combined Optical Ind Ltd | Improvements in or relating to ophthalmic lenses |
CN101688042A (en) * | 2007-06-25 | 2010-03-31 | 株式会社倍思康 | Silicone-hydrogel compound for soft contact lens and soft contact lens produced using the compound |
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JP3215253U (en) * | 2017-12-25 | 2018-03-08 | ▲きん▼▲き▼科技股▲ふん▼有限公司 | Color contact lens |
CN112175130A (en) * | 2020-10-17 | 2021-01-05 | 甘肃天后光学科技有限公司 | High-hydrophilicity organic silicon hydrogel, corneal contact lens and preparation method |
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2021
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GB897634A (en) * | 1960-01-05 | 1962-05-30 | Combined Optical Ind Ltd | Improvements in or relating to ophthalmic lenses |
CN101688042A (en) * | 2007-06-25 | 2010-03-31 | 株式会社倍思康 | Silicone-hydrogel compound for soft contact lens and soft contact lens produced using the compound |
CN103735350A (en) * | 2013-11-18 | 2014-04-23 | 中国人民解放军第三军医大学第一附属医院 | Disposable cornea protecting glasses for ophthalmologic operations |
JP2016122188A (en) * | 2014-12-24 | 2016-07-07 | 株式会社メニコンネクト | Contact lens for animals |
CN105974604A (en) * | 2015-03-11 | 2016-09-28 | 庄臣及庄臣视力保护公司 | Annular shaped clear layer in cosmetic contact lenses |
CN206411352U (en) * | 2017-01-04 | 2017-08-15 | 中国人民解放军南京军区南京总医院 | A kind of contact lens |
JP3215253U (en) * | 2017-12-25 | 2018-03-08 | ▲きん▼▲き▼科技股▲ふん▼有限公司 | Color contact lens |
CN112175130A (en) * | 2020-10-17 | 2021-01-05 | 甘肃天后光学科技有限公司 | High-hydrophilicity organic silicon hydrogel, corneal contact lens and preparation method |
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