JPH0521054B2 - - Google Patents
Info
- Publication number
- JPH0521054B2 JPH0521054B2 JP59502171A JP50217184A JPH0521054B2 JP H0521054 B2 JPH0521054 B2 JP H0521054B2 JP 59502171 A JP59502171 A JP 59502171A JP 50217184 A JP50217184 A JP 50217184A JP H0521054 B2 JPH0521054 B2 JP H0521054B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- lens
- radius
- optical
- zone
- 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 - Fee Related
Links
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 JPS60501426A (ja) | 1985-08-29 |
| JPH0521054B2 true JPH0521054B2 (enExample) | 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 (enExample) |
| JP (1) | JPS60501426A (enExample) |
| AU (1) | AU569089B2 (enExample) |
| CA (1) | CA1253368A (enExample) |
| WO (1) | WO1984004724A1 (enExample) |
Families Citing this family (11)
| 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 |
| EP0574590B1 (en) * | 1992-01-06 | 1998-07-08 | Seiko Epson Corporation | Contact lens |
| 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 |
| AU2013200761A1 (en) * | 2013-02-13 | 2014-08-28 | Brien Holden Vision Institute | Contact lens stabilisation |
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 |
| US4208364A (en) * | 1976-03-24 | 1980-06-17 | Shepherd Thomas H | Process for the production of contact lenses |
| US4121896A (en) * | 1976-03-24 | 1978-10-24 | Shepherd Thomas H | Apparatus 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 JP JP59502171A patent/JPS60501426A/ja active Granted
- 1984-05-14 EP EP19840902179 patent/EP0144385A4/en not_active Ceased
- 1984-05-14 WO PCT/US1984/000742 patent/WO1984004724A1/en not_active Ceased
- 1984-05-25 CA CA000455155A patent/CA1253368A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60501426A (ja) | 1985-08-29 |
| CA1253368A (en) | 1989-05-02 |
| WO1984004724A1 (en) | 1984-12-06 |
| AU569089B2 (en) | 1988-01-21 |
| AU2966384A (en) | 1984-12-18 |
| EP0144385A1 (en) | 1985-06-19 |
| EP0144385A4 (en) | 1985-10-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4681295A (en) | Tricurve optical metal master mold and method of making | |
| EP0079952B1 (en) | Molds and procedure for producing truncated contact lenses | |
| US5200121A (en) | Method for the manufacture of contact lenses | |
| US5611970A (en) | Method of cast molding toric contact lenses | |
| US5076683A (en) | Spuncast compound contact lens | |
| US5406341A (en) | Toric single vision, spherical or aspheric bifocal, multifocal or progressive contact lenses and method of manufacturing | |
| CN102202875B (zh) | 经机加工的镜片模具以及其制作及使用方法 | |
| EP0145516B1 (en) | Cutting device and method for the precision trimming of the edge of a cast contact lens | |
| JPH0521054B2 (enExample) | ||
| JPS6365019B2 (enExample) | ||
| US4534723A (en) | Cutting device for the precision trimming of the edge of a centrifugally cast lens | |
| US5074082A (en) | Method for producing bifocal contact lenses | |
| US4584148A (en) | Method for the precision trimming of the edge of a centrifugally cast lens | |
| US5066431A (en) | Method of making toric contact lenses | |
| US4524035A (en) | Method of making bifocal lens blanks | |
| CA2019685C (en) | Spuncast compound lens and method of manufacture | |
| JP2950866B2 (ja) | スパン注型複合レンズ及び製造方法 | |
| CA1218545A (en) | Molds and procedure for producing truncated contact lenses | |
| HK1013407B (en) | Method of cast molding toric contact lenses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |