CN212808822U - Corneal contact lens - Google Patents
Corneal contact lens Download PDFInfo
- Publication number
- CN212808822U CN212808822U CN202021638157.4U CN202021638157U CN212808822U CN 212808822 U CN212808822 U CN 212808822U CN 202021638157 U CN202021638157 U CN 202021638157U CN 212808822 U CN212808822 U CN 212808822U
- Authority
- CN
- China
- Prior art keywords
- contact lens
- lens
- cavity
- corneal contact
- lens body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003814 drug Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims description 14
- 210000001508 eye Anatomy 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000000017 hydrogel Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 7
- 206010021143 Hypoxia Diseases 0.000 abstract description 4
- 210000004087 cornea Anatomy 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 206010020751 Hypersensitivity Diseases 0.000 abstract description 3
- 208000026935 allergic disease Diseases 0.000 abstract description 3
- 230000007815 allergy Effects 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000004438 eyesight Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920002385 Sodium hyaluronate Polymers 0.000 description 2
- 230000003266 anti-allergic effect Effects 0.000 description 2
- 230000003110 anti-inflammatory effect Effects 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 229940010747 sodium hyaluronate Drugs 0.000 description 2
- YWIVKILSMZOHHF-QJZPQSOGSA-N sodium;(2s,3s,4s,5r,6r)-6-[(2s,3r,4r,5s,6r)-3-acetamido-2-[(2s,3s,4r,5r,6r)-6-[(2r,3r,4r,5s,6r)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2- Chemical compound [Na+].CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 YWIVKILSMZOHHF-QJZPQSOGSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000003556 Dry Eye Syndromes Diseases 0.000 description 1
- 206010013774 Dry eye Diseases 0.000 description 1
- 206010020675 Hypermetropia Diseases 0.000 description 1
- 208000029091 Refraction disease Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004430 ametropia Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 229960000265 cromoglicic acid Drugs 0.000 description 1
- IMZMKUWMOSJXDT-UHFFFAOYSA-N cromoglycic acid Chemical compound O1C(C(O)=O)=CC(=O)C2=C1C=CC=C2OCC(O)COC1=CC=CC2=C1C(=O)C=C(C(O)=O)O2 IMZMKUWMOSJXDT-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004305 hyperopia Effects 0.000 description 1
- 201000006318 hyperopia Diseases 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 208000014733 refractive error Diseases 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- NLVFBUXFDBBNBW-PBSUHMDJSA-N tobramycin Chemical compound N[C@@H]1C[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N NLVFBUXFDBBNBW-PBSUHMDJSA-N 0.000 description 1
- 229960000707 tobramycin Drugs 0.000 description 1
Images
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- Eyeglasses (AREA)
Abstract
The utility model relates to a contact lens, contact lens includes the lens body, the inside of lens body is provided with the cavity storage chamber of storing the liquid medicine, cavity storage chamber centers on the circumference setting of lens body, be equipped with the opening that is linked together with the air on the cavity storage chamber, open-ended quantity is 3 at least. The utility model has the advantages that: be provided with the cavity on contact lens's the lens body and store the chamber, the cavity is stored the intracavity and can is stored the eyeshield liquid medicine, is wearing the utility model during contact lens, the liquid medicine of storing in the cavity storage intracavity can slow release and cover in the glasses surface, is absorbed by the eye, can avoid owing to wear the problem of dry discomfort, allergy, cornea oxygen deficiency and infection that contact lens arouses for a long time, has played the effect of eyeshield, has guaranteed to use eye health.
Description
Technical Field
The utility model belongs to the technical field of glasses, concretely relates to corneal contact lens.
Background
The contact lens is also called contact lens, which is a lens worn on the cornea of the eyeball and mainly plays a role in correcting vision. Corneal contact lens has not only brought the welfare for ametropia patients such as myopia, hyperopia, astigmatism from pleasing to the eye and convenience aspect, compares with orbital frame glasses, and it has a bigger field of vision, can keep optical correction performance at all directions of gazing homoenergetic, eliminates the prism effect of frame glasses, eliminates slant astigmatism, reduces binocular retina aberration, keeps better binocular vision, and some special lens can satisfy some special requirements etc. in addition.
In recent years, the wearing comfort of the contact lens is improved by continuously optimizing the water-containing and oxygen-permeable material, but after the contact lens is worn for a long time, the problems of drying discomfort, allergy, corneal hypoxia and infection still exist, and the application of the contact lens is greatly limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a corneal contact lens with eyeshield efficiency can effectively solve the above-mentioned problem that exists among the prior art.
The utility model discloses the technical scheme who adopts does:
the utility model provides a corneal contact lens, includes the lens body, the inside of lens body is provided with the cavity of storing the liquid medicine and stores the chamber, the cavity is stored the chamber and is set up around the circumference of lens body, be equipped with the opening that is linked together with the air on the cavity and store the chamber, open-ended quantity is 3 at least.
As a preferred embodiment, the liquid medicine is an anti-allergic eye-protecting liquid medicine, which comprises the following raw materials in percentage by weight: 2% of cromolyn sodium, 1% of sodium chloride, 7% of sodium hyaluronate and 90% of distilled water;
as a second preferred embodiment, the liquid medicine is an anti-inflammatory eye-protecting liquid medicine, which comprises the following raw materials in percentage by weight: tobramycin 0.3%, sodium chloride 1%, sodium hyaluronate 8.7% and distilled water 90%.
Use before the contact lens, soak the lens body in the eyeshield liquid medicine, make the eyeshield liquid medicine get into cavity storage chamber through the opening, or pour into the cavity storage chamber with the liquid medicine with miniature syringe, then wear the lens again.
In the process of wearing the lenses, the liquid medicine in the hollow storage cavity can be slowly released from the opening and covers the surface of the glasses and is absorbed by the eyes, so that the phenomena of dry eyes, discomfort of foreign matters and the like caused by wearing the corneal contact lens for a long time can be avoided, and meanwhile, the functions of anti-allergy and anti-inflammatory nursing are provided, the function of protecting the eyes is achieved, and the eye hygiene is ensured.
The contact lens of cornea can be used repeatedly, when wearing the end, taking off the lens body, wash the lens body, pour into the liquid medicine again alright continue to use.
Further, the lens body includes an optical area and a peripheral non-optical area surrounding the optical area, the hollow storage chamber being disposed in the peripheral non-optical area of the lens body. The hollow storage cavity is arranged in the peripheral non-optical area of the lens body, and the normal use of the lens is not influenced.
Further, the distance between the hollow storage cavity and the outer edge of the lens body is 0.4-0.6mm, preferably 0.5 mm.
Further, the hollow storage chamber has a circular cross-sectional shape, and preferably has a diameter of 0.2 to 0.4 mm.
Further, the opening is an arc-shaped opening; the opening is positioned on the surface of the lens body contacting with eyes when the contact lens is worn; preferably, the diameter of the arc-shaped opening is larger than or equal to the diameter of the hollow storage cavity.
Further, the diameter of the arc-shaped opening is 0.3-0.5 mm.
Furthermore, the number of the openings is 4, and the 4 openings are distributed in a cross-shaped symmetrical manner by taking the circle center of the lens body as the center.
Further, the corneal contact lens is a silicon hydrogel corneal contact lens.
Further, the outer diameter of the corneal contact lens is 10-13.5 mm.
The utility model has the advantages that: be provided with the cavity on contact lens's the lens body and store the chamber, the cavity is stored the intracavity and can is stored the eyeshield liquid medicine, is wearing the utility model during contact lens, the liquid medicine of storing in the cavity storage intracavity can slow release and cover in the glasses surface, is absorbed by the eye, can avoid owing to wear the problem of dry discomfort, allergy, cornea oxygen deficiency and infection that contact lens arouses for a long time, has played the effect of eyeshield, has guaranteed to use eye health.
Drawings
Figure 1 is a perspective view of a contact lens according to the present invention;
FIG. 2 is a schematic diagram of a hollow storage chamber of a contact lens of the present invention between two openings;
in the figure: 1. a lens body; 2. a hollow storage chamber; 3. and (4) opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art on the premise of creative work belong to the protection scope of the present invention.
As shown in fig. 1: the utility model provides a corneal contact lens, includes lens body 1, the inside of lens body 1 is provided with the cavity of storing the liquid medicine and stores chamber 2, cavity storage chamber 2 centers on the circumference setting of lens body 1, be equipped with the opening 3 that is linked together with the air on the cavity storage chamber, open-ended quantity is 3 at least. When wearing lens body 1, store chamber 2 or soak lens body 1 with the eyeshield liquid medicine injection cavity in the liquid medicine, make the liquid medicine pass through opening 3 and get into cavity and store chamber 2, when wearing, the eyeshield liquid medicine is followed opening 3 department slow release gradually and is covered in the glasses surface, is absorbed by the eye, effectively alleviates the drying, the foreign matter is uncomfortable, the oxygen deficiency and prevents the infection, improves and wears the travelling comfort, plays the effect of eyeshield.
The hollow storage cavity 2 is arranged around the circumference of the lens body 1, the lens body 1 comprises an optical area and a peripheral non-optical area surrounding the optical area, and the hollow storage cavity 2 is arranged on the peripheral non-optical area of the lens body 1; as a preferred embodiment, the distance between the hollow storage cavity 2 and the outer edge of the lens body 1 may be 0.4mm, 0.5mm, 0.6 mm.
The shape of the cross-section of the hollow storage chamber 2 may be triangular, quadrangular or circular, as shown in fig. 2: in this embodiment, a circular shape is used, and as a preferred embodiment, the diameter of the hollow storage chamber 2 may be 0.2mm, 0.3mm, 0.4 mm.
As a preferred embodiment, the number of the openings 3 in this embodiment is 4, and the openings 3 are arc-shaped openings 3; when the contact lens is worn, the opening 3 is positioned on the surface of the lens body 1 which is in contact with the eyes; preferably, the diameter of the arc-shaped opening 3 is larger than or equal to the diameter of the hollow storage cavity 2, and as a preferred embodiment, the diameter of the arc-shaped opening 3 can be 0.3mm, 0.4mm, 0.5 mm; the 4 openings are distributed in a cross-shaped symmetrical mode by taking the circle center of the lens body as the center.
As a preferred embodiment, the contact lens is a silicone hydrogel contact lens, which may have a diameter of 10mm, 11mm, 12mm, 13.5 mm.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A corneal contact lens, comprising: including the lens body, the inside of lens body is provided with the cavity of storing the liquid medicine and stores the chamber, the cavity is stored the chamber and is centers on the circumference setting of lens body, be equipped with the opening that is linked together with the air on the cavity is stored the chamber, open-ended quantity is 3 at least.
2. The corneal contact lens of claim 1, wherein: the lens body includes an optical zone and a peripheral non-optical zone surrounding the optical zone, the hollow storage chamber being disposed in the peripheral non-optical zone of the lens body.
3. The corneal contact lens of claim 2, wherein: the distance between the hollow storage cavity and the outer edge of the lens body is 0.4-0.6 mm.
4. The corneal contact lens of claim 3, wherein: the distance between the hollow storage cavity and the outer edge of the lens body is 0.5 mm.
5. The corneal contact lens of claim 1, wherein: the cross section of the hollow storage cavity is circular, and the diameter of the hollow storage cavity is 0.2-0.4 mm.
6. The corneal contact lens of claim 5, wherein: the opening is an arc-shaped opening; the opening is positioned on the surface of the lens body, which is in contact with eyes; the diameter of the arc-shaped opening is larger than or equal to that of the hollow storage cavity.
7. The corneal contact lens of claim 6, wherein: the diameter of the arc-shaped opening is 0.3-0.5 mm.
8. The corneal contact lens of claim 1, wherein: the number of the openings is 4, and the 4 openings are distributed in a cross-shaped symmetrical mode by taking the circle center of the lens body as the center.
9. The corneal contact lens of claim 1, wherein: the corneal contact lens is a silicon hydrogel corneal contact lens.
10. The corneal contact lens of claim 1, wherein: the diameter of the corneal contact lens is 10-13.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021638157.4U CN212808822U (en) | 2020-08-07 | 2020-08-07 | Corneal contact lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021638157.4U CN212808822U (en) | 2020-08-07 | 2020-08-07 | Corneal contact lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212808822U true CN212808822U (en) | 2021-03-26 |
Family
ID=75082161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021638157.4U Active CN212808822U (en) | 2020-08-07 | 2020-08-07 | Corneal contact lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212808822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425496A (en) * | 2021-07-02 | 2021-09-24 | 黄石爱尔眼科医院有限公司 | Contact lens for treating fungal keratitis by administration |
-
2020
- 2020-08-07 CN CN202021638157.4U patent/CN212808822U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425496A (en) * | 2021-07-02 | 2021-09-24 | 黄石爱尔眼科医院有限公司 | Contact lens for treating fungal keratitis by administration |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |