DE2925783C2 - Verfahren zur Herstellung planarisierter hydrophiler Kontaktlinsen im Xerogelzustand - Google Patents
Verfahren zur Herstellung planarisierter hydrophiler Kontaktlinsen im XerogelzustandInfo
- Publication number
- DE2925783C2 DE2925783C2 DE2925783A DE2925783A DE2925783C2 DE 2925783 C2 DE2925783 C2 DE 2925783C2 DE 2925783 A DE2925783 A DE 2925783A DE 2925783 A DE2925783 A DE 2925783A DE 2925783 C2 DE2925783 C2 DE 2925783C2
- Authority
- DE
- Germany
- Prior art keywords
- lens
- lenses
- planarized
- state
- swollen
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title description 33
- 230000008569 process Effects 0.000 title description 7
- 230000008961 swelling Effects 0.000 claims description 27
- 238000001035 drying Methods 0.000 claims description 24
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 38
- 239000010408 film Substances 0.000 description 31
- 229920000298 Cellophane Polymers 0.000 description 19
- 239000003795 chemical substances by application Substances 0.000 description 19
- 239000000499 gel Substances 0.000 description 18
- 239000000243 solution Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 235000011187 glycerol Nutrition 0.000 description 15
- 238000012545 processing Methods 0.000 description 15
- 230000008901 benefit Effects 0.000 description 11
- 239000011888 foil Substances 0.000 description 11
- 239000011521 glass Substances 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- 238000000227 grinding Methods 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000005498 polishing Methods 0.000 description 6
- 239000004952 Polyamide Substances 0.000 description 5
- 229920002647 polyamide Polymers 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 3
- 238000009750 centrifugal casting Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 239000000017 hydrogel Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000004627 regenerated cellulose Substances 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 150000002334 glycols Chemical class 0.000 description 2
- 229920000151 polyglycol Polymers 0.000 description 2
- 239000010695 polyglycol Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 229920012485 Plasticized Polyvinyl chloride Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- GOPYZMJAIPBUGX-UHFFFAOYSA-N [O-2].[O-2].[Mn+4] Chemical group [O-2].[O-2].[Mn+4] GOPYZMJAIPBUGX-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000003232 water-soluble binding agent Substances 0.000 description 1
- 210000002268 wool Anatomy 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)
- Compositions Of Macromolecular Compounds (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS417878A CS196190B1 (cs) | 1978-06-21 | 1978-06-21 | Způsob úpravy hydrofilních gelových kontaktních čoček do planaruovaného xerogelového stavu |
| CS417978A CS200413B1 (cs) | 1978-06-26 | 1978-06-26 | Prefabrikovaná xerogelevá planarizovaná torická hydrofilní kontaktní čočka |
| CS797478A CS202841B1 (cs) | 1978-12-04 | 1978-12-04 | Souprava s planarizovanou torickou kontaktní čočkou k jejímu skladování a konečné úprave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2925783A1 DE2925783A1 (de) | 1980-01-10 |
| DE2925783C2 true DE2925783C2 (de) | 1984-04-05 |
Family
ID=27179452
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2925783A Expired DE2925783C2 (de) | 1978-06-21 | 1979-06-26 | Verfahren zur Herstellung planarisierter hydrophiler Kontaktlinsen im Xerogelzustand |
| DE2954166A Expired DE2954166C2 (de) | 1978-06-21 | 1979-06-26 | Verfahren und Vorrichtung zur Endbearbeitung und Aufbewahrung vorgefertigter hydrophiler Kontaktlinsenvorformlinge im planarisierten Xerogelzustand |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2954166A Expired DE2954166C2 (de) | 1978-06-21 | 1979-06-26 | Verfahren und Vorrichtung zur Endbearbeitung und Aufbewahrung vorgefertigter hydrophiler Kontaktlinsenvorformlinge im planarisierten Xerogelzustand |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US4322139A (en, 2012) |
| CA (1) | CA1116899A (en, 2012) |
| DE (2) | DE2925783C2 (en, 2012) |
| FR (2) | FR2441193A1 (en, 2012) |
| GB (2) | GB2100878B (en, 2012) |
| IT (1) | IT1121925B (en, 2012) |
| NL (1) | NL7904970A (en, 2012) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5337888A (en) * | 1993-09-01 | 1994-08-16 | Morrison Robert J | Contact lens case |
| US5963299A (en) * | 1997-07-22 | 1999-10-05 | Reyburn; Thomas P. | Method and apparatus for measuring toric contact lens rotation |
| US5926252A (en) * | 1998-08-25 | 1999-07-20 | Reyburn; Thomas P. | Ophthalmic instrument that measures rotation of a toric contact lens |
| AU2003268377A1 (en) * | 2002-08-30 | 2004-11-26 | Polyvue Technologies, Inc. | Hydrogel contact lens and method of producing for correction of higher order optical aberrations of the eye |
| US8003915B2 (en) * | 2004-12-08 | 2011-08-23 | Laserop Ltd. | System and methods for producing tinted and non-tinted materials with non-discernable laser inscriptions |
| DE102008017592A1 (de) * | 2008-04-07 | 2009-10-08 | Carl Zeiss Meditec Ag | Ophthalmologisches Implantat, Mikroskopiesystem und optisches Nachweisverfahren zur Detektion und/oder Identifikation eines ophthalmologischen Implantats |
| US8113654B2 (en) * | 2010-01-08 | 2012-02-14 | Benjamin David Enerson | Contact lens with visual indicator |
| US11474379B2 (en) * | 2019-10-01 | 2022-10-18 | Masbeirn Corporation | Method and apparatus for determining decentration of ophthalmic lenses |
| EP4147862A1 (en) * | 2021-09-10 | 2023-03-15 | Carl Zeiss Vision International GmbH | Method for applying a surface pattern on a surface of a spectacle lens substrate and spectacle lens substrate with a surface pattern |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1361824A (en) * | 1920-12-14 | A voluntary asso | ||
| US1221184A (en) * | 1915-11-15 | 1917-04-03 | Warren Featherbone Company | Stock-mount. |
| DE1704520U (de) | 1955-02-02 | 1955-08-11 | Wilh Barth Inh Wilh Ernst Feue | Getriebe fuer schlauchhaspel zue feuerloeschheraetewagen. |
| FR81513E (fr) * | 1962-03-13 | 1963-10-04 | Lentilles Ophtalmiques Rationn | Procédé de fabrication d'éléments optiques et en particulier de lentilles ophtalmiques en matières plastiques |
| DE1495381B2 (de) * | 1963-09-07 | 1971-06-24 | Czeskoslovenska akademie ved , Prag | Verfahren zur herstellung von kontaktlinsen oder kontakt linsenrohlingen aus quellfaehigen hydrogelen |
| FR1422109A (fr) * | 1964-09-07 | 1965-12-24 | Ceskoslovenska Akademie Ved | Procédé de fabrication de verres de contact à partir d'hydrogels et produits conformes à ceux obtenus par le présent procédé ou procédé similaire |
| DK116168B (da) * | 1966-02-22 | 1969-12-15 | Ceskoslovenska Akademie Ved | Fremgangsmåde til slibning og polering af kontaktlinser fremstillet ved polymerisationsstøbning af en hydrofil monomerblanding. |
| US3523863A (en) * | 1966-11-09 | 1970-08-11 | Beckman Instruments Inc | Drying and preservation of electrophoresis gel films |
| US3623602A (en) * | 1969-10-08 | 1971-11-30 | Quantum Ind Inc | Combination package and template for thin-layer chromatographic plate |
| US3985697A (en) * | 1972-10-18 | 1976-10-12 | Uroptics International Incorporated | Hydrophilic contact lens material |
| US4122942A (en) * | 1974-01-31 | 1978-10-31 | Wolfson Leonard G | Hydrophilic contact lens case |
| DE2542714C2 (de) * | 1975-09-25 | 1984-01-19 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und Preßstempel zum Aufbringen von Markierungen auf Kontaktlinsen aus Silikonkautschuk |
| US4113088A (en) * | 1977-06-06 | 1978-09-12 | Binkhorst Richard D | Sterile package |
-
1979
- 1979-06-15 US US06/048,895 patent/US4322139A/en not_active Expired - Lifetime
- 1979-06-22 CA CA000330646A patent/CA1116899A/en not_active Expired
- 1979-06-25 IT IT7923849A patent/IT1121925B/it active
- 1979-06-25 FR FR7916232A patent/FR2441193A1/fr active Granted
- 1979-06-26 DE DE2925783A patent/DE2925783C2/de not_active Expired
- 1979-06-26 GB GB08204975A patent/GB2100878B/en not_active Expired
- 1979-06-26 DE DE2954166A patent/DE2954166C2/de not_active Expired
- 1979-06-26 NL NL7904970A patent/NL7904970A/xx not_active Application Discontinuation
- 1979-06-26 GB GB7922131A patent/GB2024448B/en not_active Expired
-
1980
- 1980-02-01 FR FR8002228A patent/FR2441861A1/fr active Granted
-
1981
- 1981-12-11 US US06/330,022 patent/US4512461A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB2100878B (en) | 1983-06-08 |
| NL7904970A (nl) | 1979-12-28 |
| GB2100878A (en) | 1983-01-06 |
| US4512461A (en) | 1985-04-23 |
| FR2441193B1 (en, 2012) | 1983-01-28 |
| DE2954166A1 (en, 2012) | 1982-08-26 |
| DE2925783A1 (de) | 1980-01-10 |
| FR2441861A1 (fr) | 1980-06-13 |
| DE2954166C2 (de) | 1984-10-11 |
| IT1121925B (it) | 1986-04-23 |
| IT7923849A0 (it) | 1979-06-25 |
| CA1116899A (en) | 1982-01-26 |
| FR2441861B1 (en, 2012) | 1983-02-04 |
| US4322139A (en) | 1982-03-30 |
| GB2024448B (en) | 1983-03-02 |
| FR2441193A1 (fr) | 1980-06-06 |
| GB2024448A (en) | 1980-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8172 | Supplementary division/partition in: |
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| Q171 | Divided out to: |
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| 8181 | Inventor (new situation) |
Free format text: WICHTERLE, OTTO, PRAHA, CS |
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| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| AH | Division in |
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| 8339 | Ceased/non-payment of the annual fee |