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GB1378971A - Contact lens - Google Patents

Contact lens

Info

Publication number
GB1378971A
GB1378971A GB2670172A GB2670172A GB1378971A GB 1378971 A GB1378971 A GB 1378971A GB 2670172 A GB2670172 A GB 2670172A GB 2670172 A GB2670172 A GB 2670172A GB 1378971 A GB1378971 A GB 1378971A
Authority
GB
United Kingdom
Prior art keywords
ionizing radiation
elastomer
silicone elastomer
contact lens
methacrylate
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
GB2670172A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1378971A publication Critical patent/GB1378971A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/16—Chemical modification with polymerisable compounds
    • C08J7/18—Chemical modification with polymerisable compounds using wave energy or particle radiation
    • 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
    • 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
    • B29D11/00048—Production of contact lenses composed of parts with dissimilar composition
    • 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
    • B29D11/00076—Production of contact lenses enabling passage of fluids, e.g. oxygen, tears, between the area under the lens and the lens exterior
    • 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
    • B29D11/00865—Applying coatings; tinting; colouring
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
    • 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
    • G02C7/049—Contact lenses having special fitting or structural features achieved by special materials or material structures
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
    • C08J2383/04—Polysiloxanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Eyeglasses (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Graft Or Block Polymers (AREA)

Abstract

1378971 Graft polymer contact lens E W MERRILL 8 June 1972 [9 June 1971 17 Aug 1971] 26701/72 Heading C3G [Also in Division G2] A contact lens made from a clear, cross-linked oxygen-permeable silicone elastomer having grafted on to each surface a thin layer of a clear, non-irritating hydrophilic polymer is produced by applying to the silicone elastomer a coating of the monomeric precursor of said hydrophilic polymer, either before or after exposing the elastomer to ionizing radiation. The monomeric precursor may be applied to a substrate, which is then placed in contact with the silicone elastomer surface. Examples are given in which (1) polydimethyl siloxane elastomer is cross-linked by ionizing radiation in a mould to produce a lens, which is coated with a layer of monoglycerol methacrylate/ polyethylene glycol solution, replaced in the mould and again subjected to ionizing radiation; (2) a poly (dimethyl co-vinyl methyl) siloxane gum is pressed between concave surfaces covered with a film saturated with aqueous glycerol methacrylate solution and the assembly is exposed to ionizing radiation; and (3) the gum used in (2) is pressed between glass pieces soaked in a glycerol solution of 2-hydroxyethyl methacrylate and exposed to ionizing radiation.
GB2670172A 1971-06-09 1972-06-08 Contact lens Expired GB1378971A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15137771A 1971-06-09 1971-06-09
US17253871A 1971-08-17 1971-08-17

Publications (1)

Publication Number Publication Date
GB1378971A true GB1378971A (en) 1975-01-02

Family

ID=26848572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2670172A Expired GB1378971A (en) 1971-06-09 1972-06-08 Contact lens

Country Status (8)

Country Link
JP (1) JPS5127546B1 (en)
CA (1) CA965039A (en)
DE (1) DE2228180A1 (en)
FR (1) FR2140560B1 (en)
GB (1) GB1378971A (en)
IT (1) IT956361B (en)
NL (1) NL7207874A (en)
SE (1) SE387272B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136250A (en) 1977-07-20 1979-01-23 Ciba-Geigy Corporation Polysiloxane hydrogels
GB2156362A (en) * 1984-03-12 1985-10-09 King Seeley Thermos Co Antistatic resin composition and laminates containing the same
US5223553A (en) * 1983-03-09 1993-06-29 Metallized Products, Inc. Antistatic resin composition
US5928575A (en) 1996-04-19 1999-07-27 Q2100, Inc. Methods for eyeglass lens curing using ultraviolet light
US6206673B1 (en) 1986-01-28 2001-03-27 Ophthalmic Research Group International, Inc. Plastic lens and plastic lens manufacturing system
US6280171B1 (en) 1996-06-14 2001-08-28 Q2100, Inc. El apparatus for eyeglass lens curing using ultraviolet light
US6494702B1 (en) 1986-01-28 2002-12-17 Q2100, Inc. Apparatus for the production of plastic lenses
US6730244B1 (en) 1986-01-28 2004-05-04 Q2100, Inc. Plastic lens and method for the production thereof
GB2456002A (en) * 2007-12-31 2009-07-01 William M Hung A method for the manufacture of silicone hydrogel contact lenses in which filler material is introduced, the lens formed and the filler extracted.
CN113968932A (en) * 2021-10-22 2022-01-25 深圳市大仕城光学科技有限公司 Soft contact lenses and methods of making same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217038A (en) * 1978-06-05 1980-08-12 Bausch & Lomb Incorporated Glass coated polysiloxane contact lens
FR2498446B1 (en) * 1981-01-26 1985-05-24 Inst Nat Sante Rech Med METHOD FOR TREATING A BREAST-PROSTHESIS AND PROSTHESIS OBTAINED
EP0220919A3 (en) * 1985-10-21 1989-04-12 Shin-Etsu Chemical Co., Ltd. Contact lens

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136250A (en) 1977-07-20 1979-01-23 Ciba-Geigy Corporation Polysiloxane hydrogels
US5223553A (en) * 1983-03-09 1993-06-29 Metallized Products, Inc. Antistatic resin composition
GB2156362A (en) * 1984-03-12 1985-10-09 King Seeley Thermos Co Antistatic resin composition and laminates containing the same
US6206673B1 (en) 1986-01-28 2001-03-27 Ophthalmic Research Group International, Inc. Plastic lens and plastic lens manufacturing system
US6730244B1 (en) 1986-01-28 2004-05-04 Q2100, Inc. Plastic lens and method for the production thereof
US6494702B1 (en) 1986-01-28 2002-12-17 Q2100, Inc. Apparatus for the production of plastic lenses
US5976423A (en) 1996-04-19 1999-11-02 Q2100, Inc. Methods and apparatus for eyeglass lens curing using ultraviolet light
US6174465B1 (en) 1996-04-19 2001-01-16 Q2100, Inc. Methods for eyeglass lens curing using ultaviolet light
US6200124B1 (en) 1996-04-19 2001-03-13 Q1200 Apparatus for eyeglass lens curing using ultraviolet light
US6171528B1 (en) 1996-04-19 2001-01-09 Q2100, Inc. Methods and apparatus for eyeglass lens curing using ultraviolet light
US6241505B1 (en) 1996-04-19 2001-06-05 Q2100, Inc. Apparatus for eyeglass lens curing using ultraviolet light
US6022498A (en) 1996-04-19 2000-02-08 Q2100, Inc. Methods for eyeglass lens curing using ultraviolet light
US5928575A (en) 1996-04-19 1999-07-27 Q2100, Inc. Methods for eyeglass lens curing using ultraviolet light
US6280171B1 (en) 1996-06-14 2001-08-28 Q2100, Inc. El apparatus for eyeglass lens curing using ultraviolet light
GB2456002A (en) * 2007-12-31 2009-07-01 William M Hung A method for the manufacture of silicone hydrogel contact lenses in which filler material is introduced, the lens formed and the filler extracted.
CN113968932A (en) * 2021-10-22 2022-01-25 深圳市大仕城光学科技有限公司 Soft contact lenses and methods of making same

Also Published As

Publication number Publication date
SE387272B (en) 1976-09-06
NL7207874A (en) 1972-12-12
CA965039A (en) 1975-03-25
JPS5127546B1 (en) 1976-08-13
IT956361B (en) 1973-10-10
FR2140560A1 (en) 1973-01-19
DE2228180A1 (en) 1973-01-25
FR2140560B1 (en) 1976-09-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee
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