CN105259672A - Special-shaped sclera lens - Google Patents
Special-shaped sclera lens Download PDFInfo
- Publication number
- CN105259672A CN105259672A CN201510732194.9A CN201510732194A CN105259672A CN 105259672 A CN105259672 A CN 105259672A CN 201510732194 A CN201510732194 A CN 201510732194A CN 105259672 A CN105259672 A CN 105259672A
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- CN
- China
- Prior art keywords
- special
- shaped
- scleroscope
- arc
- lens
- 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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Classifications
-
- 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
- G02C7/048—Means for stabilising the orientation of lenses in the eye
-
- 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
- G02C7/046—Contact lenses having an iris pattern
-
- 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
Abstract
The invention discloses a special-shaped sclera lens. The special-shaped sclera lens comprises an optical area and a plurality of stabilizing wings which extend radially outwards from the optical area; the edges of the stabilizing wings are arc-shaped and are connected together to form edge arcs. According to the special-shaped sclera lens disclosed by the invention, the full contact between a lens and a sclera is changed into three-point stable contact, so that the pressure or the adsorption force of the lens on the sclera is greatly reduced, and the lens has enough motion degree during a blinking process. A clearance is reserved among the points of the lens, so that tear exchange is completed during the motion process of the lens, and the health of cornea is kept to the great possible; meanwhile, the eyesight of patients with irregular corneas can be corrected or improved, so that the patients can obtain the capacity of returning to work and living autonomously.
Description
Technical field
The present invention relates to eye and look a kind of scleroscope in light specialty, the particularly special-shaped scleroscope of one.
Background technology
Look optical arena at eye, often can run into irregular cornea and need to correct or improve the people of visual needs.In the face of these Man's Demands, method available at present has the contact lens that uses soft, rigid or soft or hard to combine or scleroscope to solve.But problem be soft or the contact lens that combines of soft or hard in application process, the security of cornea is because that eyeglass mobility is few, tear exchanges is poor, eyeglass and Corneal Contact and have certain risk.And the application of scleroscope, also because few tear exchanges, and to the pressure of sclera or absorption affinity excessive, cause and test that to join difficulty large, wearer is difficult to long-time continuous and wears.And the part of traditional scleroscope outside corneoscleral junction has Full connected with sclera, form an airtight space and certain pressure or absorption affinity.Tear in this airtight space is difficult to is exchanged by tear and is upgraded, and simultaneously the pressure that formed sclera of scleroscope periphery or absorption affinity can have influence on the circulation of blood in scleral blood vessel.
Summary of the invention
The object of the present invention is to provide a kind of special-shaped scleroscope, which solve traditional scleroscope and have that tear exchanges less, pressure or the large problem of absorption affinity.
Technical matters to be solved by this invention is achieved through the following technical solutions:
A kind of special-shaped scleroscope, multiple stabilizers that described special-shaped scleroscope comprises Optical Region and outwards extends radially from described Optical Region, the edge of described stabilizer is curved and be joined together to form limit arc.This stabilizer, for contacting sclera, supports Optical Region simultaneously.
Preferably, in technique scheme, described stabilizer is three, and is equilateral or inequilateral setting.
Preferably, in technique scheme, be provided with multiple arc district between described Optical Region to described limit arc, described arc district, according to distance Optical Region order from the close-by examples to those far off, is followed successively by: the second arc district, the 3rd arc district, the 4th arc district, the 5th arc district, the 6th arc district and Bian Hu district.
Preferably, in technique scheme, the width in described second arc district is 1.1-1.3mm, the width in described 3rd arc district is 0.9-1.1mm, the width in described 4th arc district is 0.9-1.1mm, the width in described 5th arc district is 0.7-0.9mm, and the width in described 6th arc district is 2.4-2.8mm, and the width in described Bian Hu district is 1.7-2.1mm.
Preferably, in technique scheme, described Optical Region has front surface, and it is arc, and radius of curvature R 1 is 7.5-8mm.
Preferably, in technique scheme, described Optical Region has rear surface, and it is arc, and radius of curvature R 2 is 7.2-7.6mm.
Preferably, in technique scheme, the center thickness of described special-shaped scleroscope is 0.2-0.3mm.
Preferably, in technique scheme, the width of described special-shaped scleroscope is 16-17mm.
Preferably, in technique scheme, the thickness of described special-shaped scleroscope is 4.5-5.0mm.
Preferably, in technique scheme, described special-shaped scleroscope is structure as a whole.
Technique scheme of the present invention, has following beneficial effect:
The present invention changes eyeglass and the Full connected of sclera as point cantact (namely stabilizer contacts) into, thus eyeglass is greatly reduced the pressure of sclera or absorption affinity, and make in process nictation, eyeglass has enough mobilities.And eyeglass has space between points, in eyeglass active procedure, complete tear and exchange, maximum possible maintains the health of cornea.Therefore, the eyesight of irregular cornea patient can be corrected or improve to special-shaped scleroscope of the present invention, thus make them can obtain the ability of reworking or independently living.
Accompanying drawing explanation
Fig. 1 is the vertical view of special-shaped sclera sheet of the present invention.
Fig. 2 is the cut-open view of special-shaped sclera sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
The vertical view of special-shaped scleroscope as shown in Figure 1 to Figure 2 and cut-open view.Please also refer to Fig. 1 and Fig. 2, as shown in the figure, a kind of special-shaped scleroscope, multiple stabilizers 2 that this special-shaped scleroscope comprises Optical Region 1 and outwards extends radially from Optical Region 1, the edge of this stabilizer 2 is curved and be joined together to form limit arc 3.
In an embodiment of the present invention, the aforementioned stable wing 2 is preferably three, and is equilateral setting.But the present invention is not limited thereto, the aforementioned stable wing 2 can be arranged to inequilateral and arrange by those skilled in the art as required, and number also can do accommodation.
Special-shaped scleroscope of the present invention in use, in general, one end of stabilizer 2 contacts with sclera, the other end is used for supporting Optical Region 1, and then make it there is certain gap between cornea, abundant tear can be preserved like this, form tear lens, thus neutralized the irregular astigmatism of irregular cornea, and then make it possible to best correcting defects of vision.
In an embodiment of the present invention, multiple arc district is also provided with between 1 to limit, Optical Region arc 3, these arc districts, according to distance Optical Region 1 order from the close-by examples to those far off, are followed successively by: the second arc district, the 3rd arc district, the 4th arc district, the 5th arc district, the 6th arc district and Bian Hu district.In general, the width in described second arc district is 1.1-1.3mm, is preferably 1.2mm, the width in described 3rd arc district is 0.9-1.1mm, be preferably 1mm, the width in described 4th arc district is 0.9-1.1mm, is preferably 1mm, the width in described 5th arc district is 0.7-0.9mm, be preferably 0.8mm, the width in described 6th arc district is 2.4-2.8mm, is preferably 2.6mm, the width in described Bian Hu district is 1.7-2.1mm, is preferably 1.9mm.But the present invention is not limited to above-mentioned arc district number and arc sector width, those skilled in the art can select number and the width in arc district as required voluntarily in real work, and above-mentioned selection all falls into protection scope of the present invention.
Optical Region 1 also has front surface and rear surface, and this front surface and rear surface are arc, and wherein, the radius of curvature R 1 of front surface is 7.5-8mm, and be preferably 7.84mm, the radius of curvature R 2 of rear surface 12 is 7.2-7.6mm, is preferably 7.42mm.
The center thickness CT of abnormity scleroscope is 0.2-0.3mm, is preferably 0.25mm.The width D of abnormity scleroscope is 16-17mm, is preferably 16.5mm.The thickness T of abnormity scleroscope is 4.5-5.0mm, is preferably 4.7mm.
The special-shaped scleroscope of the present embodiment is structure as a whole.But those skilled in the art also can change its form as required.
The present invention changes eyeglass and the Full connected of sclera as point cantact (namely stabilizer contacts) into, thus eyeglass is greatly reduced the pressure of sclera or absorption affinity, and make in process nictation, eyeglass has enough mobilities.And eyeglass has space between points, in eyeglass active procedure, complete tear and exchange, maximum possible maintains the health of cornea.Therefore, the eyesight of irregular cornea patient can be corrected or improve to special-shaped scleroscope of the present invention, thus make them can obtain the ability of reworking or independently living.
Although the present invention with embodiment openly as above; so it is not intended to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; all can do various different selection and amendment, therefore protection scope of the present invention limited by claims and equivalents thereof.
Claims (10)
1. a special-shaped scleroscope, it is characterized in that, multiple stabilizers (2) that described special-shaped scleroscope comprises Optical Region (1) and outwards extends radially from described Optical Region (1), the edge of described stabilizer (2) is curved and be joined together to form limit arc (3).
2. special-shaped scleroscope as claimed in claim 1, is characterized in that, described stabilizer (2) is three, and is equilateral or inequilateral setting.
3. special-shaped scleroscope as claimed in claim 1, it is characterized in that, multiple arc district is provided with between described Optical Region (1) to described limit arc (3), described arc district, according to distance Optical Region (1) order from the close-by examples to those far off, is followed successively by: the second arc district, the 3rd arc district, the 4th arc district, the 5th arc district, the 6th arc district and Bian Hu district.
4. special-shaped scleroscope as claimed in claim 3, it is characterized in that, the width in described second arc district is 1.1-1.3mm, the width in described 3rd arc district is 0.9-1.1mm, the width in described 4th arc district is 0.9-1.1mm, the width in described 5th arc district is 0.7-0.9mm, and the width in described 6th arc district is 2.4-2.8mm, and the width in described Bian Hu district is 1.7-2.1mm.
5. the special-shaped scleroscope according to claim 2 or 4, is characterized in that, described Optical Region (1) has front surface, and it is arc, and radius of curvature R 1 is 7.5-8mm.
6. special-shaped scleroscope according to claim 5, is characterized in that, described Optical Region (1) has rear surface, and it is arc, and radius of curvature R 2 is 7.2-7.6mm.
7. special-shaped scleroscope according to claim 6, is characterized in that, the center thickness (CT) of described special-shaped scleroscope is 0.2-0.3mm.
8. special-shaped scleroscope according to claim 7, is characterized in that, the width (D) of described special-shaped scleroscope is 16-17mm.
9. special-shaped scleroscope according to claim 8, is characterized in that, the thickness (T) of described special-shaped scleroscope is 4.5-5.0mm.
10. special-shaped scleroscope according to claim 9, is characterized in that, described special-shaped scleroscope is structure as a whole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549209.6A CN110308569A (en) | 2015-11-02 | 2015-11-02 | A kind of abnormal shape scleroscope |
| CN201510732194.9A CN105259672A (en) | 2015-11-02 | 2015-11-02 | Special-shaped sclera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732194.9A CN105259672A (en) | 2015-11-02 | 2015-11-02 | Special-shaped sclera lens |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910549209.6A Division CN110308569A (en) | 2015-11-02 | 2015-11-02 | A kind of abnormal shape scleroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105259672A true CN105259672A (en) | 2016-01-20 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510732194.9A Pending CN105259672A (en) | 2015-11-02 | 2015-11-02 | Special-shaped sclera lens |
| CN201910549209.6A Pending CN110308569A (en) | 2015-11-02 | 2015-11-02 | A kind of abnormal shape scleroscope |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910549209.6A Pending CN110308569A (en) | 2015-11-02 | 2015-11-02 | A kind of abnormal shape scleroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105259672A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070252947A1 (en) * | 2006-04-28 | 2007-11-01 | Wei-Pin Hsu | Contact lenses |
| CN101881892A (en) * | 2010-06-24 | 2010-11-10 | 陈迪生 | Novel rigid air-permeable cornea contact lens |
| CN205210432U (en) * | 2015-11-02 | 2016-05-04 | 陈迪生 | Abnormal shape scleroscope |
-
2015
- 2015-11-02 CN CN201510732194.9A patent/CN105259672A/en active Pending
- 2015-11-02 CN CN201910549209.6A patent/CN110308569A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070252947A1 (en) * | 2006-04-28 | 2007-11-01 | Wei-Pin Hsu | Contact lenses |
| CN101881892A (en) * | 2010-06-24 | 2010-11-10 | 陈迪生 | Novel rigid air-permeable cornea contact lens |
| CN205210432U (en) * | 2015-11-02 | 2016-05-04 | 陈迪生 | Abnormal shape scleroscope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110308569A (en) | 2019-10-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160120 |
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| RJ01 | Rejection of invention patent application after publication |