CA1253368A - Lentille de contact hydrophile - Google Patents

Lentille de contact hydrophile

Info

Publication number
CA1253368A
CA1253368A CA000455155A CA455155A CA1253368A CA 1253368 A CA1253368 A CA 1253368A CA 000455155 A CA000455155 A CA 000455155A CA 455155 A CA455155 A CA 455155A CA 1253368 A CA1253368 A CA 1253368A
Authority
CA
Canada
Prior art keywords
lens
radius
mold
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
Application number
CA000455155A
Other languages
English (en)
Inventor
Henry Haardt
John Magdon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hydron Ltd
Original Assignee
Henry Haardt
John Magdon
International Hydron Corporation
Allergan, Inc.
Hydron Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henry Haardt, John Magdon, International Hydron Corporation, Allergan, Inc., Hydron Limited filed Critical Henry Haardt
Application granted granted Critical
Publication of CA1253368A publication Critical patent/CA1253368A/fr
Expired legal-status Critical Current

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)
CA000455155A 1983-05-26 1984-05-25 Lentille de contact hydrophile Expired CA1253368A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49834883A 1983-05-26 1983-05-26
US498,348 1983-05-26

Publications (1)

Publication Number Publication Date
CA1253368A true CA1253368A (fr) 1989-05-02

Family

ID=23980702

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000455155A Expired CA1253368A (fr) 1983-05-26 1984-05-25 Lentille de contact hydrophile

Country Status (5)

Country Link
EP (1) EP0144385A4 (fr)
JP (1) JPS60501426A (fr)
AU (1) AU569089B2 (fr)
CA (1) CA1253368A (fr)
WO (1) WO1984004724A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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 (fr) * 1992-01-06 1998-07-08 Seiko Epson Corporation Lentille de contact
EP0683416A1 (fr) * 1994-05-20 1995-11-22 Alvis E. Blackburn Lentille de contact cornéenne pour une kératoréformation contrôlée
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)

* Cited by examiner, † Cited by third party
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
US4285890A (en) * 1977-04-28 1981-08-25 Nippon Contact Lens Manufacturing Ltd. Method for manufacturing silicone 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
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

Also Published As

Publication number Publication date
AU2966384A (en) 1984-12-18
WO1984004724A1 (fr) 1984-12-06
AU569089B2 (en) 1988-01-21
EP0144385A4 (fr) 1985-10-14
EP0144385A1 (fr) 1985-06-19
JPS60501426A (ja) 1985-08-29
JPH0521054B2 (fr) 1993-03-23

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Legal Events

Date Code Title Description
MKEX Expiry