CS219738B1 - Soft lenticullar contact lens with negative refraction - Google Patents
Soft lenticullar contact lens with negative refraction Download PDFInfo
- Publication number
- CS219738B1 CS219738B1 CS81764A CS76481A CS219738B1 CS 219738 B1 CS219738 B1 CS 219738B1 CS 81764 A CS81764 A CS 81764A CS 76481 A CS76481 A CS 76481A CS 219738 B1 CS219738 B1 CS 219738B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- lens
- curved
- contact lens
- soft
- peripheral
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims description 23
- 230000003287 optical effect Effects 0.000 abstract description 13
- 230000007704 transition Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS81764A CS219738B1 (en) | 1981-02-02 | 1981-02-02 | Soft lenticullar contact lens with negative refraction |
| GB8201874A GB2092328B (en) | 1981-02-02 | 1982-01-22 | Soft lenticular contact lens with negative refraction |
| US06/343,510 US4519681A (en) | 1981-02-02 | 1982-01-28 | Soft lenticular contact lens with negative refraction |
| FR8201449A FR2499256B1 (enExample) | 1981-02-02 | 1982-01-29 | |
| DE19823203219 DE3203219A1 (de) | 1981-02-02 | 1982-02-01 | Weiche lentikulare kontaktlinse mit negativer refraktion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS81764A CS219738B1 (en) | 1981-02-02 | 1981-02-02 | Soft lenticullar contact lens with negative refraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS219738B1 true CS219738B1 (en) | 1983-03-25 |
Family
ID=5340366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS81764A CS219738B1 (en) | 1981-02-02 | 1981-02-02 | Soft lenticullar contact lens with negative refraction |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4519681A (enExample) |
| CS (1) | CS219738B1 (enExample) |
| DE (1) | DE3203219A1 (enExample) |
| FR (1) | FR2499256B1 (enExample) |
| GB (1) | GB2092328B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0144385A4 (en) * | 1983-05-26 | 1985-10-14 | Internat Hydron Corp | HYDROPHILE CONTACT LENS WITH THREE CURVED BEAMS AND THEIR PRODUCTION PROCESS. |
| DE3516575A1 (de) * | 1985-05-08 | 1986-11-13 | Hecht Contactlinsen GmbH, 7800 Freiburg | Contactlinse |
| US4948245A (en) * | 1986-08-14 | 1990-08-14 | Coopervision, Inc. | Hydrogel contact lens |
| US4820038A (en) * | 1986-08-14 | 1989-04-11 | Coopervision, Inc. | Hydrogel contact lens |
| IT1217703B (it) * | 1988-05-24 | 1990-03-30 | Mario Giovanzana | Lente a contatto multifocale ad eccentricita' progressiva e procedimento per la sua fabbricazione |
| US5815239A (en) * | 1996-12-05 | 1998-09-29 | Chapman; Judith E. | Contact lenses providing improved visual acuity |
| US6244708B1 (en) | 1998-09-28 | 2001-06-12 | Bausch & Lomb Incorporated | Contact lenses providing improved visual acuity |
| US7628485B2 (en) * | 2000-03-31 | 2009-12-08 | Coopervision International Holding Company, Lp | Contact lens having a uniform horizontal thickness profile |
| US6467903B1 (en) * | 2000-03-31 | 2002-10-22 | Ocular Sciences, Inc. | Contact lens having a uniform horizontal thickness profile |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US256369A (en) * | 1882-04-11 | Vegetable-cutter | ||
| US2544246A (en) * | 1950-08-01 | 1951-03-06 | George H Butterfield | Corneal contact lens |
| FR1170600A (fr) * | 1957-04-03 | 1959-01-15 | Verre de contact cornéen | |
| DE2426701C3 (de) * | 1974-06-01 | 1981-10-15 | Koller, Bruno, 6470 Büdingen | Weichkontaktlinse |
| US4126138A (en) * | 1974-06-14 | 1978-11-21 | Warner-Lambert Company | Soft contact lens |
| DE2749144C2 (de) * | 1977-11-03 | 1979-12-06 | Bruno 6000 Frankfurt Koller | Kontaktlinse |
| US4198132A (en) * | 1978-12-14 | 1980-04-15 | Dow Corning Corporation | Contact lens |
-
1981
- 1981-02-02 CS CS81764A patent/CS219738B1/cs unknown
-
1982
- 1982-01-22 GB GB8201874A patent/GB2092328B/en not_active Expired
- 1982-01-28 US US06/343,510 patent/US4519681A/en not_active Expired - Fee Related
- 1982-01-29 FR FR8201449A patent/FR2499256B1/fr not_active Expired
- 1982-02-01 DE DE19823203219 patent/DE3203219A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE3203219A1 (de) | 1982-08-26 |
| GB2092328A (en) | 1982-08-11 |
| FR2499256B1 (enExample) | 1986-03-21 |
| GB2092328B (en) | 1984-08-08 |
| FR2499256A1 (enExample) | 1982-08-06 |
| US4519681A (en) | 1985-05-28 |
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