CN104035209A - Comfortable corneal contact lens for treating myopia - Google Patents
Comfortable corneal contact lens for treating myopia Download PDFInfo
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- CN104035209A CN104035209A CN201410263849.8A CN201410263849A CN104035209A CN 104035209 A CN104035209 A CN 104035209A CN 201410263849 A CN201410263849 A CN 201410263849A CN 104035209 A CN104035209 A CN 104035209A
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Abstract
The invention relates to a comfortable corneal contact lens for treating myopia and aims at providing the corneal contact lens with the characteristics of comfortableness, high permeability and difficult damage. The technical scheme is as follows: the corneal contact lens comprises a rigid lens and a soft edge, wherein the rigid lens is rotor-shaped and is made of breathable rigid materials; the soft edge is made of hydration polymer and covers the peripheral area of the rigid lens; and a tear area for containing tears is arranged between the rigid lens and the soft edge.
Description
Technical field
The present invention relates to a kind of contact lens, specifically a kind of comfortable contact lens for myopia.
Background technology
At present, patient's foreign body sensation when wearing the common hard corneal contact lens for myopia is more intense, and Patient Experience is not good.During daytime, Rotation of eyeball and eyelid flicker are more frequent, and the friction of contact lens and eyelid brings strong foreign body sensation.In evening, the flicker of Rotation of eyeball and eyelid tails off, but tear in eyeglass and cornea liquid storage cylinder exchange and also can reduce thereupon, cause and pluck mirror difficulty morning next day.Some patient even needs to drip 1-2 dripping eyedrop, and forced rotating eyes just can be plucked mirror.In addition, the current common hard corneal contact lens for myopia is due to the factor of material, making processing and patient all easily breakages of edge while using.
Summary of the invention
The object of the invention is to overcome the deficiency in above-mentioned background technology, a kind of comfortable contact lens for myopia is provided; That this contact lens has is comfortable, oxygen transmission rate is high, the feature of cracky not.
Technical scheme provided by the invention is: a kind of comfortable contact lens for myopia, is characterized in that: this contact lens comprises the rigid eyeglass of the gas penetration potential hard material making of turning round the bodily form and the soft edge that rigid lens periphery region was made and be coated on to hydrated polymer material; Tear district for holding tear between rigid eyeglass and soft edge.
Described gas penetration potential hard material is a kind of in fluorine silicon acrylic acid ester, silica gel acrylic acid, fluorinated siloxane polymkeric substance.
Described hydrated polymer material is a kind of in hydrogel, methymethacrylate, hydroxyethyl methylacrylate, metering system acid glyceride.
The front surface of described rigid eyeglass is convex front face, and an annular groove concaving is arranged on this surface; The inside surface of described rigid eyeglass from middle toward the base arc of periphery successively annular arrangement, in advance reverse arc, reversion arc, pre-determined bit arc, locate arc, distal circumference arc, circumference arc totally 7 cambered surfaces; Described distal circumference arc includes an annular outside recessed groove; The front surface of rigid eyeglass and the transition cambered surface between inside surface are annular break-in face.
The inside projection that the front surface at described soft edge contains annular, this projection matches and mates with the groove of rigid lens front surface; The inside surface at soft edge contains the outside outstanding of annular, and this is outstanding matches and mate with the groove of described distal circumference arc; The transition cambered surface of the front surface at soft edge and inside surface is annular break-in face.
The front surface correspondence at described soft edge has covered all cambered surfaces of rigid eyeglass inside surface except base arc, and the inside surface at described soft edge has covered distal circumference arc, the circumference arc of rigid eyeglass inside surface.
The invention has the beneficial effects as follows:
Rigid eyeglass in the present invention is wrapped up by soft edge, has reduced the risk of lens edge breakage.And when the flicker of Rotation of eyeball and eyelid, the foreign body sensation in the time of can reducing patient and wear.
Between rigid eyeglass of the present invention and soft edge, by tear district, filled.Because soft edge is soft, be subject to external force to have very large deformation, so a pump of the common composition in rigid eyeglass, soft edge and tear district.When Rotation of eyeball and eyelid flicker, be equivalent at squeegee pump.Be no matter daytime or at night, this structure has all been accelerated tear exchange, thereby strengthened corneal oxygen supply and improved the comfort level of patient while joining mirror.
Inside surface of the present invention comprises base arc, reverse arc, reversion arc, pre-determined bit arc, location arc, distal circumference arc, circumference arc in advance, this 7 cambered surfaces designs, and safety and comfort ground changes cornea shape more.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is main TV structure schematic diagram of the present invention.
Fig. 3 is the A-A cross-sectional view in Fig. 2.
Fig. 4 is B portion structure for amplifying schematic diagram in Fig. 3.
Embodiment
Below in conjunction with Figure of description, the invention will be further described, but the present invention is not limited to following examples.
As shown in the figure, a kind of comfortable contact lens for myopia, comprises rigid eyeglass 1, soft edge 2 and tear district 3; Described rigid eyeglass adopts gas penetration potential hard material (RGP) material to make, can make the revolution bodily form by cutting process, inside surface from middle toward periphery (as shown in Figure 1) successively annular arrangement base arc 1-1, in advance reverse arc 1-2, reversion arc 1-3, pre-determined bit arc 1-4, locate arc 1-5, distal circumference arc 1-6, circumference arc 1-7.Described gas penetration potential hard material is a kind of in several hard corneal contact lens materials such as fluorine silicon acrylic acid ester, silica gel acrylic acid, fluorinated siloxane polymkeric substance.
Base arc 1-1 produces pressure by tear effect, can reduce the diopter of cornea; Pre-reversion arc 1-2 is steep compared with base arc 1-1, and holding portion moves epithelial tissue outward; The reversion arc 1-3 arc 1-2 that reverses is more in advance smooth, and smooth transition is moved epithelial tissue outward to locating arc holding portion; The pre-determined bit arc 1-4 arc 1-3 that reverses is smooth, with cornea laminating, plays the role of positioning; Arc 1-5 is smooth compared with pre-determined bit arc 1-4 in location, and smooth transition is to distal circumference arc and play the role of positioning; It is smooth that distal circumference arc 1-6 locates arc, is convenient to tear exchange, has outwards recessed groove 1-9 of annular on distal circumference arc 1-6; The front surface of described rigid eyeglass (right-hand member) is convex front face, includes an annular groove 1-8 who concaves.
Described soft edge 2 adopts hydrated polymer to make, this hydrated polymer is a kind of in hydrogel, methymethacrylate, hydroxyethyl methylacrylate, metering system acid glyceride, conventionally by the method (common process) of rotary casting, is coated on the neighboring area of rigid eyeglass; The inside protruding 2-1 that the front surface at soft edge contains annular, this projection matches and mates with the groove 1-9 concaving of the front surface of rigid eyeglass 1; The outside outstanding 2-2 that the inside surface at described soft edge contains annular, the outside recessed groove 1-9 of annular on the inside surface of this outstanding and rigid eyeglass matches and mates.Rigid eyeglass and soft edge 2 not exclusively laminating, the gap of leaving between them (gap length is selected as required) forms the tear district 3 that holds tear.
Due to the position of the protruding 2-1 at the soft edge pre-reversion arc 1-2 corresponding to rigid eyeglass inside surface, therefore, the front surface correspondence at soft edge has covered all cambered surfaces of rigid eyeglass outside surface except base arc corresponding domain; The inside surface at soft edge has covered distal circumference arc, the circumference arc of rigid eyeglass inside surface.
Claims (6)
1. the comfortable contact lens for myopia, is characterized in that: this contact lens comprises the rigid eyeglass (1) of the gas penetration potential hard material making of turning round the bodily form and the soft edge (2) that rigid lens periphery region was made and be coated on to hydrated polymer material; Tear district (3) for holding tear between rigid eyeglass and soft edge.
2. the comfortable contact lens for myopia according to claim 1, is characterized in that: described gas penetration potential hard material is a kind of in fluorine silicon acrylic acid ester, silica gel acrylic acid, fluorinated siloxane polymkeric substance.
3. the comfortable contact lens for myopia according to claim 2, is characterized in that: described hydrated polymer material is a kind of in hydrogel, methymethacrylate, hydroxyethyl methylacrylate, metering system acid glyceride.
4. according to the comfortable contact lens for myopia described in claim 2 or 3, it is characterized in that: the front surface of described rigid eyeglass is convex front face, an annular groove concaving (1-8) is arranged on this surface; The base arc (1-1) of the inside surface of described rigid eyeglass annular arrangement successively from inside to outside, reverse arc (1-2), reversion arc (1-3), pre-determined bit arc (1-4), location arc (1-5), distal circumference arc (1-6), circumference arc (1-7) in advance; Described distal circumference arc includes an annular outside recessed groove (1-9); The front surface of rigid eyeglass and the transition cambered surface between inside surface are annular break-in face.
5. the comfortable contact lens for myopia according to claim 4, is characterized in that: the front surface at described soft edge contains annular inside projection (2-1), and this projection matches and mates with the groove of rigid lens front surface; Outside outstanding (2-2) that the inside surface at described soft edge contains annular, this is given prominence to and matches and mate with the groove of described distal circumference arc; The transition cambered surface of the front surface at soft edge and inside surface is annular break-in face.
6. the comfortable contact lens for myopia according to claim 5, it is characterized in that: the front surface correspondence at described soft edge has covered all cambered surfaces of rigid eyeglass outside surface except base arc, and the inside surface at described soft edge has covered distal circumference arc, the circumference arc of rigid eyeglass inside surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410263849.8A CN104035209B (en) | 2014-06-13 | 2014-06-13 | A kind of comfortable contact lens for myopia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410263849.8A CN104035209B (en) | 2014-06-13 | 2014-06-13 | A kind of comfortable contact lens for myopia |
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| Publication Number | Publication Date |
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| CN104035209A true CN104035209A (en) | 2014-09-10 |
| CN104035209B CN104035209B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410263849.8A Active CN104035209B (en) | 2014-06-13 | 2014-06-13 | A kind of comfortable contact lens for myopia |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108628001A (en) * | 2018-05-14 | 2018-10-09 | 清华大学深圳研究生院 | A kind of contact lens for collecting tear protein |
| CN111728767A (en) * | 2020-04-24 | 2020-10-02 | 海南省眼科医院(中山大学中山眼科中心海南眼科医院) | Corneal endothelium protective glasses and application thereof |
| CN113031307A (en) * | 2020-07-22 | 2021-06-25 | 上海艾康特医疗科技有限公司 | Lens in contact with sclera |
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| CN102918446A (en) * | 2010-03-18 | 2013-02-06 | 利果瑞管理公司 | Laminated composite lens |
| WO2013176768A1 (en) * | 2012-05-25 | 2013-11-28 | Crt Technology, Inc. | Multicomponent optical device having a space |
| US20140069438A1 (en) * | 2009-10-23 | 2014-03-13 | Nexisvision, Inc. | Conformable therapeutic shield for vision and pain |
| CN203941354U (en) * | 2014-06-13 | 2014-11-12 | 万马电子医疗有限公司 | A kind of comfortable contact lens for myopia |
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Patent Citations (7)
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| US3973838A (en) * | 1971-05-04 | 1976-08-10 | Page Louis J | Contact lenses |
| US4166255A (en) * | 1976-06-14 | 1979-08-28 | Minnesota Mining And Manufacturing Company | Hybrid corneal contact lens |
| US7104648B2 (en) * | 2002-09-06 | 2006-09-12 | Synergeyes, Inc. | Hybrid contact lens system and method |
| US20140069438A1 (en) * | 2009-10-23 | 2014-03-13 | Nexisvision, Inc. | Conformable therapeutic shield for vision and pain |
| CN102918446A (en) * | 2010-03-18 | 2013-02-06 | 利果瑞管理公司 | Laminated composite lens |
| WO2013176768A1 (en) * | 2012-05-25 | 2013-11-28 | Crt Technology, Inc. | Multicomponent optical device having a space |
| CN203941354U (en) * | 2014-06-13 | 2014-11-12 | 万马电子医疗有限公司 | A kind of comfortable contact lens for myopia |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108628001A (en) * | 2018-05-14 | 2018-10-09 | 清华大学深圳研究生院 | A kind of contact lens for collecting tear protein |
| CN108628001B (en) * | 2018-05-14 | 2019-08-06 | 清华大学深圳研究生院 | It is a kind of for collecting the contact lens of tear protein |
| CN111728767A (en) * | 2020-04-24 | 2020-10-02 | 海南省眼科医院(中山大学中山眼科中心海南眼科医院) | Corneal endothelium protective glasses and application thereof |
| CN113031307A (en) * | 2020-07-22 | 2021-06-25 | 上海艾康特医疗科技有限公司 | Lens in contact with sclera |
| CN113031306A (en) * | 2020-07-22 | 2021-06-25 | 上海艾康特医疗科技有限公司 | Lens preparation method of scleral contact lens |
| CN113341591A (en) * | 2020-07-22 | 2021-09-03 | 上海艾康特医疗科技有限公司 | Scleral contact lens |
| CN113031306B (en) * | 2020-07-22 | 2023-06-13 | 上海艾康特医疗科技有限公司 | Lens matching method of scleral contact lens |
| CN113341591B (en) * | 2020-07-22 | 2023-06-13 | 上海艾康特医疗科技有限公司 | Scleral contact lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104035209B (en) | 2015-10-28 |
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Address after: Taihu Qingyun Yuan Zhen Village in Ling'an city of Hangzhou city of Zhejiang Province in 311306 Applicant after: WANMA TECHNOLOGY CO., LTD. Address before: Taihu Qingyun Yuan Zhen Village in Ling'an city of Hangzhou city of Zhejiang Province in 311306 Applicant before: Wanma Electronic Medical Co., Ltd. |
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