JPS60501426A - 三曲面親水性コンタクトレンズの金属製種型及び該種型の光学表面の製造法 - Google Patents
三曲面親水性コンタクトレンズの金属製種型及び該種型の光学表面の製造法Info
- Publication number
- JPS60501426A JPS60501426A JP59502171A JP50217184A JPS60501426A JP S60501426 A JPS60501426 A JP S60501426A JP 59502171 A JP59502171 A JP 59502171A JP 50217184 A JP50217184 A JP 50217184A JP S60501426 A JPS60501426 A JP S60501426A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- annular portion
- optical
- curvature
- edge
- 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.)
- Granted
Links
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- 239000000203 mixture Substances 0.000 claims description 19
- 239000004033 plastic Substances 0.000 claims description 18
- 229920003023 plastic Polymers 0.000 claims description 18
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 10
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- 239000000017 hydrogel Substances 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 3
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 2
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- KFTHUBZIEMOORC-UHFFFAOYSA-N 2-methylbut-2-enamide Chemical compound CC=C(C)C(N)=O KFTHUBZIEMOORC-UHFFFAOYSA-N 0.000 claims 1
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 8
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- -1 poly Propylene Polymers 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
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- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
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- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- OLQFXOWPTQTLDP-UHFFFAOYSA-N 2-(2-hydroxyethoxy)ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCO OLQFXOWPTQTLDP-UHFFFAOYSA-N 0.000 description 2
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- 241001061264 Astragalus Species 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 125000005396 acrylic acid ester group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 235000006533 astragalus Nutrition 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
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- 150000002148 esters Chemical class 0.000 description 2
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 229920001477 hydrophilic polymer Polymers 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 208000001491 myopia Diseases 0.000 description 2
- 230000004379 myopia Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 210000004233 talus Anatomy 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- IATSNLRWFOLGKU-UHFFFAOYSA-N 3-ethyl-2-methylpent-2-enoic acid Chemical compound CCC(CC)=C(C)C(O)=O IATSNLRWFOLGKU-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 241000791420 Plica Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241000242678 Schistosoma Species 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
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- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 125000003630 glycyl group Chemical group [H]N([H])C([H])([H])C(*)=O 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
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- 239000012442 inert solvent Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
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- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- WFKDPJRCBCBQNT-UHFFFAOYSA-N n,2-dimethylprop-2-enamide Chemical compound CNC(=O)C(C)=C WFKDPJRCBCBQNT-UHFFFAOYSA-N 0.000 description 1
- QRWZCJXEAOZAAW-UHFFFAOYSA-N n,n,2-trimethylprop-2-enamide Chemical compound CN(C)C(=O)C(C)=C QRWZCJXEAOZAAW-UHFFFAOYSA-N 0.000 description 1
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 description 1
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 208000014733 refractive error Diseases 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012899 standard injection Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00038—Production of contact lenses
- B29D11/00057—Production of contact lenses characterised by the shape or surface condition of the edge, e.g. flashless, burrless, smooth
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Eyeglasses (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49834883A | 1983-05-26 | 1983-05-26 | |
| US498348 | 1983-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60501426A true JPS60501426A (ja) | 1985-08-29 |
| JPH0521054B2 JPH0521054B2 (enrdf_load_stackoverflow) | 1993-03-23 |
Family
ID=23980702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59502171A Granted JPS60501426A (ja) | 1983-05-26 | 1984-05-14 | 三曲面親水性コンタクトレンズの金属製種型及び該種型の光学表面の製造法 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0144385A4 (enrdf_load_stackoverflow) |
| JP (1) | JPS60501426A (enrdf_load_stackoverflow) |
| AU (1) | AU569089B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1253368A (enrdf_load_stackoverflow) |
| WO (1) | WO1984004724A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993014434A1 (en) * | 1992-01-06 | 1993-07-22 | Seiko Epson Corporation | Contact lens |
| JP2019061274A (ja) * | 2013-02-13 | 2019-04-18 | ブリエン ホールデン ビジョン インスティテュートＢｒｉｅｎ Ｈｏｌｄｅｎ Ｖｉｓｉｏｎ Ｉｎｓｔｉｔｕｔｅ | コンタクトレンズの安定化 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8402324A (nl) * | 1984-07-23 | 1986-02-17 | Visser Contactlenzenpraktijk B | Trifocale contactlens. |
| US4820038A (en) * | 1986-08-14 | 1989-04-11 | Coopervision, Inc. | Hydrogel contact lens |
| US4815690A (en) * | 1988-02-09 | 1989-03-28 | Shepherd Thomas H | Apparatus for the production of monolithic intraocular implants |
| US4896958A (en) * | 1988-02-18 | 1990-01-30 | Ames Keith S | Flexible contact lens for enhanced movement on the eye |
| JP2914508B2 (ja) * | 1990-01-24 | 1999-07-05 | ホーヤ株式会社 | レンズ成形用型 |
| DE4012478A1 (de) * | 1990-04-19 | 1991-10-24 | Heinrich Woehlk Inst Fuer Cont | Kontaktlinse mit lagestabilisierung |
| EP0683416A1 (en) * | 1994-05-20 | 1995-11-22 | Alvis E. Blackburn | Corneal contact lens for controlled keratoreformation |
| US5733585A (en) * | 1996-09-06 | 1998-03-31 | Bausch & Lomb Incorporated | Apparatus for rotationally aligning a feature of an optical tool with a gate in an injection molding apparatus |
| EP0889348A1 (fr) * | 1997-07-03 | 1999-01-07 | Gérard Muller | Procédé de fabrication d'une lentille de contact à correct |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE948014C (de) * | 1950-02-22 | 1956-08-23 | Mueller Welt G M B H | Vorrichtung zum Herstellen von Augenhaftschalen |
| US2890486A (en) * | 1955-08-29 | 1959-06-16 | American Optical Corp | Mold for producing lens of any shape from a polymerizable material |
| US3698802A (en) * | 1969-12-29 | 1972-10-17 | Henry J Baron | Hydrophilic contact lens |
| US4084890A (en) * | 1972-08-04 | 1978-04-18 | Baron Henry J | Contact lens |
| US4121896A (en) * | 1976-03-24 | 1978-10-24 | Shepherd Thomas H | Apparatus for the production of contact lenses |
| US4208364A (en) * | 1976-03-24 | 1980-06-17 | Shepherd Thomas H | Process for the production of contact lenses |
| JPS6030529B2 (ja) * | 1977-04-28 | 1985-07-17 | 日本コンタクトレンズ製造株式会社 | シリコン樹脂製コンタクトレンズの製造用成形型 |
| US4285890A (en) * | 1977-04-28 | 1981-08-25 | Nippon Contact Lens Manufacturing Ltd. | Method for manufacturing silicone contact lenses |
| US4165158A (en) * | 1977-07-25 | 1979-08-21 | American Optical Corporation | Cast contact lenses and method for making same |
| US4257988A (en) * | 1978-09-12 | 1981-03-24 | Optical Warehouse Showroom And Manufacturing, Inc. | Method and assembly for molding optical lenses |
| US4198132A (en) * | 1978-12-14 | 1980-04-15 | Dow Corning Corporation | Contact lens |
| CS219738B1 (en) * | 1981-02-02 | 1983-03-25 | Otto Wichterle | Soft lenticullar contact lens with negative refraction |
| US4407766A (en) * | 1981-05-26 | 1983-10-04 | National Patent Development Corporation | Molds and procedure for producing truncated contact lenses |
-
1984
- 1984-05-14 AU AU29663/84A patent/AU569089B2/en not_active Ceased
- 1984-05-14 WO PCT/US1984/000742 patent/WO1984004724A1/en not_active Application Discontinuation
- 1984-05-14 JP JP59502171A patent/JPS60501426A/ja active Granted
- 1984-05-14 EP EP19840902179 patent/EP0144385A4/en not_active Ceased
- 1984-05-25 CA CA000455155A patent/CA1253368A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993014434A1 (en) * | 1992-01-06 | 1993-07-22 | Seiko Epson Corporation | Contact lens |
| US5541678A (en) * | 1992-01-06 | 1996-07-30 | Seiko Epson Corporation | Multifocal contact lens and method and molding die for manufacturing contact lens |
| JP2019061274A (ja) * | 2013-02-13 | 2019-04-18 | ブリエン ホールデン ビジョン インスティテュートＢｒｉｅｎ Ｈｏｌｄｅｎ Ｖｉｓｉｏｎ Ｉｎｓｔｉｔｕｔｅ | コンタクトレンズの安定化 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0144385A1 (en) | 1985-06-19 |
| CA1253368A (en) | 1989-05-02 |
| AU2966384A (en) | 1984-12-18 |
| JPH0521054B2 (enrdf_load_stackoverflow) | 1993-03-23 |
| EP0144385A4 (en) | 1985-10-14 |
| WO1984004724A1 (en) | 1984-12-06 |
| AU569089B2 (en) | 1988-01-21 |
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