CN204428209U - A kind of implantable myopia lens - Google Patents
A kind of implantable myopia lens Download PDFInfo
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- CN204428209U CN204428209U CN201420871332.2U CN201420871332U CN204428209U CN 204428209 U CN204428209 U CN 204428209U CN 201420871332 U CN201420871332 U CN 201420871332U CN 204428209 U CN204428209 U CN 204428209U
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- eyeglass
- support arm
- main body
- human eye
- lens
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Abstract
A kind of implantable myopia lens, comprise eyeglass main body and the several lamellar support arms along eyeglass body rim excision forming, support arm comprises connecting portion and support portion, connecting portion is connected with eyeglass body rim, the plane at support arm place and the plane included angle at eyeglass main body place are between 10-20 degree, lens ensemble is made to be class sphere, eyeglass main body is provided with transparent light guide district, transparent light guide district center is provided with the aperture of a diameter 0.1-0.3mm, this utility model support arm can bend, can according to the bending angle of human eye profile from Row sum-equal matrix support arm during eyeglass implantation human eye, the eyeglass of same model can be implanted in the human eye of different size, because the junction of support arm and eyeglass main body is thin and short, support arm more easily bends, the size of automatic adjustment eyeglass makes eyeglass more to fit human eye, comfortableness is good, lens thickness is low, conveniently implant human eye, and pupil place body fluid circulatory is smooth and easy after ensureing to implant ophthalmic, prevent pupillary block or angle closure glaucoma.
Description
Technical field
This utility model relates to implantable glasses manufacturing technology field, particularly a kind of implantable myopia lens.
Background technology
The eyes of people are water white when just birth, and ophthalmic geode is very soft, water white transparency, effectively can reach its function focused on when lax and anxiety, see and far see closely can see very clear.But along with gradually growing up of ewborn infant, the eyes of part people can start myopia.Especially along with computer technology, the development of TV tech and networking science and technology, young student require a great deal of time and use computer and internet learning.Long-term closely watch display screen attentively and injured eyes greatly, the people of myopia is got more and more, and the bathomorphic number of degrees are also more and more higher, and some people's myopia degree is up to thousands of degree, if not wearing spectacles, see that thing is all very difficult on foot.But when wearing the outer glasses for the myopia worn, no matter be have a meal or eat face, eyeglass all usually has water vapour, and improper use also can break eyeglass.The people of high myopia, also must must bring the nearsighted eyeglass of high myopia, looks that eyeglass can be a-circle-by-a-circle, directly has influence on the attractive in appearance of people.Although contact lens looks very natural, often need contact lens to lift down cleaning.Meanwhile, the material requirements of contact lens has good breathability, also must renew in use for some time, extremely inconvenient.In order to eliminate the worry of wearing glasses, from last century the nineties, people start the shape processing cornea by laser technology, to arrive the effect eliminating myopia.But after using laser technology process to cross cornea, eyes usually can be caused dry and astringent, and it is blind that more serious situation can cause patient's cornea to come off.
The deficiency of comprehensive above-mentioned technology, people also start to carry out the design of implantable myopia lens and the exploitation of material.United States Patent (USP) 5,258,025,5,480,428 and 5,766, in 245, first the people such as Fedorov S propose the design of implantable myopia lens and implantable myopia lens and are implanted to concrete position in eyes.United States Patent (USP) 5,913, in 898, Feingold V first proposed implantable glasses for the myopia (ICL).United States Patent (USP) 6,015,435,6,428,574,6,506,212 and 6,706, in 066, the people such as Valunin Igor first proposed the design of the floatability implantation myopia lens of back room.
Current implantable myopia lens does not have hole in transparent light guide district center, and the body fluid circulatory at pupil place is obstructed or not freely, easily cause pupillary block, serious meeting causes angle closure glaucoma.
Utility model content
For solving the problems of the technologies described above, this utility model provides a kind of implantable myopia lens, eyeglass is enable to regulate size voluntarily according to human eye size to reach, strengthen comfort, it is made conveniently to implant human eye, and after ensureing to implant ophthalmic, pupil place body fluid circulatory is smooth and easy, prevents the object of pupillary block or angle closure glaucoma.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of implantable myopia lens, comprise eyeglass main body and the several lamellar support arms along described eyeglass body rim excision forming, described support arm comprises connecting portion and support portion, described connecting portion is connected with described eyeglass body rim, the plane at described support arm place and the plane included angle at described eyeglass main body place are between 10-20 degree, lens ensemble is made to be class sphere, described eyeglass main body is provided with transparent light guide district center described in transparent light guide district and is provided with the aperture of a diameter 0.1-0.3mm, less hole, the image quality in transparent light guide district can not be affected, the eyeglass of postoperative visual quality and not perforate is about the same.
Preferably, the diameter of described aperture is 0.15mm.
Preferably, described connecting portion is thin and short structure, and support arm is more easily bent.
Pass through technique scheme, a kind of implantable myopia lens support arm that this utility model provides can bend, can according to the bending angle of human eye profile from Row sum-equal matrix support arm during eyeglass implantation human eye, the eyeglass of same model can be implanted in the human eye of different size, because the junction of support arm and eyeglass main body is thin and short, support arm more easily bends, eyeglass is more fitted human eye, comfortableness is good, eyeglass material refractive index is between 1.430-1.490, lens thickness is low, when carrying out implant surgery, required side of opening is young, conveniently implant human eye, after ensureing to implant ophthalmic, pupil place body fluid circulatory is smooth and easy simultaneously, prevent pupillary block or angle closure glaucoma.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
Fig. 1 is a kind of implantable myopia lens schematic front view disclosed in this utility model embodiment 1;
Fig. 2 is a kind of implantable myopia lens schematic side view disclosed in this utility model embodiment 1;
Fig. 3 is a kind of implantable myopia lens schematic front view disclosed in this utility model embodiment 2;
Fig. 4 is a kind of implantable myopia lens schematic side view disclosed in this utility model embodiment 2.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described.
Embodiment 1
According to Fig. 1 to 2, this utility model provides a kind of implantable myopia lens, comprise the support arm 2 of eyeglass main body 1 and 4 lamellars along the molding of eyeglass main body 1 edge cuts, support arm 2 comprises thin and short connecting portion and flat support portion, connecting portion and eyeglass main body 1 edge conjunction, the plane at support arm 2 place and the plane included angle at eyeglass main body 1 place are between 10-20 degree, lens ensemble is made to be class sphere, eyeglass main body 1 is provided with transparent light guide district 3, transparent light guide district 3 is diameter 4.5-6.0 millimeter, center thickness is the concace mirror lens of 0.05-0.25 millimeter, eyeglass main body 1 and support arm 2 are made by same hydrophilic polyacrylic ester material.
Transparent light guide district center is provided with the aperture 9 of a diameter 0.15mm, smooth and easy for ensureing that pupil place body fluid exchanges, prevent pupillary block or angle closure glaucoma, less hole, can not affect the image quality in transparent light guide district, the eyeglass of postoperative visual quality and not perforate is about the same.
Conveniently the human body fluid of eyeglass both sides exchanges, and eyeglass main body 1 also offers two manholes 4, through hole 4 is not in transparent light guide district 3.
Embodiment 2
According to Fig. 3 to 4, this utility model provides a kind of implantable myopia lens, comprise the support arm 6 of eyeglass main body 5 and 4 lamellars along the molding of eyeglass main body 5 edge cuts, support arm 6 comprises thin and short connecting portion and flat support portion, connecting portion and eyeglass main body 5 edge conjunction, nearer compared with the distance along distance eyeglass main body 1 edge in support arm in embodiment 12 along the distance at distance eyeglass main body 5 edge in support arm 6, the hunting range implanting human eye rear support arm 6 is less, the plane at support arm 6 place and the plane included angle at eyeglass main body 5 place are between 10-20 degree, lens ensemble is made to be class sphere, eyeglass main body 5 is provided with transparent light guide district 7, transparent light guide district 7 is diameter 4.5-6.0 millimeter, center thickness is the concace mirror lens of 0.05-0.25 millimeter, eyeglass main body 5 and support arm 6 are made by same hydrophilic polyacrylic ester material.
Transparent light guide district center is provided with the aperture 10 of a diameter 0.3mm, smooth and easy for ensureing that pupil place body fluid exchanges, prevent pupillary block or angle closure glaucoma, less hole, can not affect the image quality in transparent light guide district, the eyeglass of postoperative visual quality and not perforate is about the same.
Conveniently the human body fluid of eyeglass both sides exchanges, eyeglass main body 5 offers two manholes 8 and 4 strip through-holes 8, compared with 4 strip through-holes that embodiment 1 increases, the human body fluid of eyeglass both sides is exchanged more smooth, through hole 8 is not in transparent light guide district 7.
The hydrophilic polyacrylic ester material that this utility model uses is formed by methacrylic acid-2-hydroxyethyl ester and the copolymerization of acrylic acid alkyl ester derivant, or is formed by alkyl acrylate, alkyl methacrylate and styrene or cinnamic derivant copolymerization.
Wherein, in described hydrophilic polyacrylic ester material also can containing polymerisable medium-sized can interlinkage molecule or can interlinkage group; Polymerisable interlinkage molecule is: ethylene glycol dimethacrylate diester, dimethacrylate propylene glycol diesters, dimethacrylate butanediol diester, dimethacrylate hexanediol diester, diacrylate ethylene glycol diester, diacrylate propylene glycol diesters, diacrylate butanediol diester, diacrylate hexanediol diester, 1,4-divinylbenzene or 1,3-divinylbenzene; Can interlinkage group be: methacryl group, acryloyl group or ethenylphenyl group.
Also containing UV absorbent and blue-light absorbers in hydrophilic polyacrylic ester material, containing benzophenone or benzotriazole group in UV absorbent.
The implantable myopia lens that this utility model provides, ophthalmic back room is arranged in after implantation, under the supporting role of support arm, transparent light guide district is positioned at the central pupillary place of ophthalmic, and transparent light guide district outer surface can be sphere, aspheric surface or Tuo Neike (Toric) optical surface, and the scope of hydrophilic polyacrylic ester Refractive Index of Material is 1.450-1.490, therefore, the thinner thickness of eyeglass, is not easy to contact with pouch, leads its induced cataract of system.
A kind of implantable myopia lens support arm that this utility model provides can bend, can according to the bending angle of human eye profile from Row sum-equal matrix support arm during eyeglass implantation human eye, the eyeglass of same model can be implanted in the human eye of different size, because the junction of support arm and eyeglass main body is thin and short, support arm more easily bends, eyeglass is more fitted human eye, comfortableness is good, eyeglass material refractive index is between 1.430-1.490, lens thickness is low, when carrying out implant surgery, required side of opening is young, conveniently implant human eye, after ensureing to implant ophthalmic, pupil place body fluid circulatory is smooth and easy simultaneously, prevent pupillary block or angle closure glaucoma.
To the above-mentioned explanation of disclosed a kind of implantable myopia lens embodiment, professional and technical personnel in the field are realized or uses this utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. an implantable myopia lens, it is characterized in that, comprise eyeglass main body and the several lamellar support arms along described eyeglass body rim excision forming, described support arm comprises connecting portion and support portion, described connecting portion is connected with described eyeglass body rim, the plane at described support arm place and the plane included angle at described eyeglass main body place are between 10-20 degree, lens ensemble is made to be class sphere, described eyeglass main body is provided with transparent light guide district, and described transparent light guide district center is provided with the aperture of a diameter 0.1-0.3mm.
2. a kind of implantable myopia lens according to claim 1, is characterized in that, the diameter of described aperture is 0.15mm.
3. a kind of implantable myopia lens according to claim 1, it is characterized in that, described connecting portion is thin and short structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420871332.2U CN204428209U (en) | 2014-12-31 | 2014-12-31 | A kind of implantable myopia lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420871332.2U CN204428209U (en) | 2014-12-31 | 2014-12-31 | A kind of implantable myopia lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204428209U true CN204428209U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420871332.2U Expired - Fee Related CN204428209U (en) | 2014-12-31 | 2014-12-31 | A kind of implantable myopia lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204428209U (en) |
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2014
- 2014-12-31 CN CN201420871332.2U patent/CN204428209U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20151231 |
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| EXPY | Termination of patent right or utility model |