AT251910B - Verfahren zur Herstellung von weichen, biegsamen Kontaktlinsen - Google Patents

Verfahren zur Herstellung von weichen, biegsamen Kontaktlinsen

Info

Publication number
AT251910B
AT251910B AT515865A AT515865A AT251910B AT 251910 B AT251910 B AT 251910B AT 515865 A AT515865 A AT 515865A AT 515865 A AT515865 A AT 515865A AT 251910 B AT251910 B AT 251910B
Authority
AT
Austria
Prior art keywords
soft
manufacture
contact lenses
pliable contact
pliable
Prior art date
Application number
AT515865A
Other languages
English (en)
Original Assignee
Ceskoslovenska Akademie Ved
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 Ceskoslovenska Akademie Ved filed Critical Ceskoslovenska Akademie Ved
Application granted granted Critical
Publication of AT251910B publication Critical patent/AT251910B/de

Links

Classifications

    • 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
    • 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
    • B29D11/00115—Production of contact lenses made by rotational casting
    • 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
    • B29D11/00932—Combined cutting and grinding thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0041—Contact lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/76—Office equipment or accessories

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Materials For Medical Uses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
AT515865A 1964-07-02 1965-06-08 Verfahren zur Herstellung von weichen, biegsamen Kontaktlinsen AT251910B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS381764 1964-07-02

Publications (1)

Publication Number Publication Date
AT251910B true AT251910B (de) 1967-01-25

Family

ID=5379365

Family Applications (1)

Application Number Title Priority Date Filing Date
AT515865A AT251910B (de) 1964-07-02 1965-06-08 Verfahren zur Herstellung von weichen, biegsamen Kontaktlinsen

Country Status (10)

Country Link
US (1) US3496254A (de)
AT (1) AT251910B (de)
BE (1) BE666337A (de)
CH (1) CH453670A (de)
DE (1) DE1570359B2 (de)
DK (1) DK115501B (de)
ES (1) ES314841A1 (de)
GB (1) GB1103245A (de)
NL (1) NL6508481A (de)
SE (1) SE319322B (de)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
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US3628988A (en) * 1967-08-16 1971-12-21 Ceskoslovenska Akademie Ved Method for providing artificial dentures with a soft hydrogel layer
US3822089A (en) * 1968-09-25 1974-07-02 Akademie Ved Contact lens blank or replica made from anhydrous, sparingly cross-linked hydrophilic copolymers
US3951528A (en) * 1971-06-02 1976-04-20 Patent Structures, Inc. Method of making polymeric contact lens
US3947401A (en) * 1971-10-05 1976-03-30 Union Optics Corporation Hydrogels of unsaturated ester copolymers
US4189364A (en) * 1972-05-12 1980-02-19 Hydroplastics, Inc. Method for preparing hydrophilic polymers and polymer grafts including irradiation
US3807398A (en) * 1972-09-19 1974-04-30 B Grucza Ocular implant
US3876581A (en) * 1972-10-10 1975-04-08 Erickson Polymer Corp Hydrophilic polymer composition for prosthetic devices
US3894129A (en) * 1973-03-15 1975-07-08 American Optical Corp Method of manufacture of strain free contact lenses
US3930076A (en) * 1973-07-13 1975-12-30 Karel Kliment Method for providing dentures with a soft hydrogel layer
JPS5337028B2 (de) * 1973-12-11 1978-10-06
US4138383A (en) * 1975-11-24 1979-02-06 California Institute Of Technology Preparation of small bio-compatible microspheres
US4141941A (en) * 1977-09-21 1979-02-27 American Optical Corporation Contact lens casting method
IE820195L (en) * 1981-03-23 1982-09-23 Bausch And Lomb Incorp Contact lenses
US4555372A (en) * 1981-03-23 1985-11-26 Bausch & Lomb Incorporated Rotational molding of contact lenses
CA1184367A (en) * 1981-06-22 1985-03-26 Novartis Ag Process for producing shaped articles having improved surfaces
US4659522A (en) * 1982-09-13 1987-04-21 Neefe Charles W Method of spin casting an ophthalmic device with a central aperture
US4637791A (en) * 1982-09-13 1987-01-20 Neefe Charles W Gyroscopically stabilized spin cast machine
US4668506A (en) * 1985-08-16 1987-05-26 Bausch & Lomb Incorporated Sustained-release formulation containing and amino acid polymer
US4713244A (en) * 1985-08-16 1987-12-15 Bausch & Lomb Incorporated Sustained-release formulation containing an amino acid polymer with a lower alkyl (C1 -C4) polar solvent
CA1295941C (en) 1985-08-16 1992-02-18 Rajan Bawa Sustained-release formulation comprising a hydrophobic polymer system
US4732715A (en) * 1985-09-20 1988-03-22 Bausch & Lomb Incorporated Manufacture of polymeric contact lenses
DE3635367A1 (de) * 1986-08-30 1988-03-03 Cassella Ag Verfahren zur herstellung eines weitgehend monomerenfreien hydrogels
PL151581B1 (en) * 1986-12-30 1990-09-28 Method of manufacturing of hydrogel dressing
CA2009668A1 (en) 1989-02-16 1990-08-16 Ashok R. Thakrar Colored contact lenses and method of making same
US5158717A (en) * 1990-11-27 1992-10-27 Bausch & Lomb Incorporated Method of molding shaped polymeric articles
US5274008A (en) * 1990-11-27 1993-12-28 Bausch & Lomb Incorporated Mold materials for silicone containing lens materials
US5264161A (en) * 1991-09-05 1993-11-23 Bausch & Lomb Incorporated Method of using surfactants as contact lens processing aids
US5310779A (en) * 1991-11-05 1994-05-10 Bausch & Lomb Incorporated UV curable crosslinking agents useful in copolymerization
EP0611379B1 (de) * 1991-11-05 1996-05-29 BAUSCH & LOMB INCORPORATED Zusammensetzungen von benetzbaren siliconhydrogels und verfahren zu deren herstellung
US5358995A (en) * 1992-05-15 1994-10-25 Bausch & Lomb Incorporated Surface wettable silicone hydrogels
US5260000A (en) * 1992-08-03 1993-11-09 Bausch & Lomb Incorporated Process for making silicone containing hydrogel lenses
US5260001A (en) * 1992-08-03 1993-11-09 Bausch & Lomb Incorporated Spincasting process for producing a series of contact lenses having desired shapes
US5321108A (en) * 1993-02-12 1994-06-14 Bausch & Lomb Incorporated Fluorosilicone hydrogels
US5374662A (en) * 1993-03-15 1994-12-20 Bausch & Lomb Incorporated Fumarate and fumaramide siloxane hydrogel compositions
KR100346485B1 (ko) * 1994-01-31 2002-11-30 바슈 앤드 롬 인코포레이티드 초임계유체를이용한콘택트렌즈의처리방법
IL113691A0 (en) * 1994-06-10 1995-08-31 Johnson & Johnson Vision Prod Low oxygen molding of soft contact lenses
US5804107A (en) 1994-06-10 1998-09-08 Johnson & Johnson Vision Products, Inc. Consolidated contact lens molding
US6022498A (en) 1996-04-19 2000-02-08 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
US6020445A (en) * 1997-10-09 2000-02-01 Johnson & Johnson Vision Products, Inc. Silicone hydrogel polymers
US20070157553A1 (en) * 1998-12-21 2007-07-12 Voss Leslie A Heat seal apparatus for lens packages
US20040074525A1 (en) * 2001-03-27 2004-04-22 Widman Michael F. Transfer apparatus and method and a transfer apparatus cleaner and method
US20040112008A1 (en) 1998-12-21 2004-06-17 Voss Leslie A. Heat seal apparatus for lens packages
WO2001007523A1 (en) * 1999-07-27 2001-02-01 Bausch & Lomb Incorporated Contact lens material
US6364934B1 (en) 2000-07-31 2002-04-02 Bausch & Lomb Incorporated Method of making ocular devices
US20040091613A1 (en) * 2002-11-13 2004-05-13 Wood Joe M. Methods for the extraction of contact lenses
US20040119174A1 (en) * 2002-12-19 2004-06-24 Hofmann Gregory J. Method for forming ophthalmic lenses using reusable molds
US7411029B2 (en) * 2004-06-25 2008-08-12 Bausch & Lomb Incorporated Prepolymers for improved surface modification of contact lenses
US8197841B2 (en) 2004-12-22 2012-06-12 Bausch & Lomb Incorporated Polymerizable surfactants and their use as device forming comonomers
US20070123602A1 (en) * 2005-11-29 2007-05-31 Bausch & Lomb Incorporated Use of thermal reversible associations for enhanced polymer interactions
US7935770B2 (en) 2007-07-03 2011-05-03 Bausch & Lomb Incorporated Surface active prepolymers with both fluorine-containing groups and hydrophilic groups
WO2009045886A1 (en) * 2007-10-03 2009-04-09 Bausch & Lomb Incorporated Novel polymerizable surface active monomers with both fluorine-containing groups and hydrophilic groups
US20090142292A1 (en) * 2007-12-03 2009-06-04 Blackwell Richard I Method For The Mitigation of Symptoms of Dry Eye
WO2009073374A2 (en) * 2007-12-03 2009-06-11 Bausch & Lomb Incorporated Method for inhibiting attachment of microorganisms to biomedical devices
US20090168013A1 (en) * 2007-12-27 2009-07-02 Kunzler Jay F Trimethylsilyl-Capped Polysiloxane Macromonomers Containing Polar Fluorinated Side-Chains
US20100069522A1 (en) * 2008-03-17 2010-03-18 Linhardt Jeffrey G Lenses comprising amphiphilic multiblock copolymers
US9850379B2 (en) 2010-11-08 2017-12-26 Naihong Li Gels and hydrogels
US8772367B2 (en) 2011-03-21 2014-07-08 Momentive Performance Materials Inc. Siloxane monomers containing hydrolysis resistance carbosiloxane linkage, process for their preparation and thin films containing the same for contact lens application
JP5947875B2 (ja) 2011-03-21 2016-07-06 モメンティブ パフォーマンス マテリアルズ インコーポレイテッド カルボシロキサン結合を含有する加水分解耐性を持つシロキサンモノマー、その調製のためのプロセス、ならびにそれを含有するコンタクトレンズの用の薄膜
CN104321352B (zh) 2012-03-22 2017-09-26 莫门蒂夫性能材料股份有限公司 可聚合的含酰胺基的有机硅化合物、含硅聚合物以及由其制备的生物医学装置
EP2828337B1 (de) 2012-03-22 2023-08-02 Momentive Performance Materials Inc. Hydrophile makromere und hydrogele damit
WO2013142060A1 (en) 2012-03-22 2013-09-26 Momentive Performance Materials Inc. Hydrophilic silicone monomers, process for preparation thereof and thin films containing the same
AU2013235656A1 (en) 2012-03-22 2014-10-09 Momentive Performance Materials Inc. Organo-modified silicone polymers and hydrogels comprising the same
WO2013142061A1 (en) 2012-03-22 2013-09-26 Momentive Performance Materials Inc. Hydrophilic macromers and hydrogels comprising the same
JP2016512566A (ja) 2013-01-31 2016-04-28 モーメンティブ・パフォーマンス・マテリアルズ・インク 水溶性シリコーン材料
EP2953955B1 (de) 2013-02-06 2018-08-15 Momentive Performance Materials Inc. (meth)acryloxyhaltige trisiloxane, siloxanhaltige polymere und biomedizinische vorrichtungen daraus
US9296764B2 (en) 2013-12-10 2016-03-29 Momentive Performance Materials Inc. Hydrophilic silicone composition
US9851472B2 (en) 2015-03-27 2017-12-26 Momentive Performance Materials Inc. Silicone-based hydrophilic copolymer and hydrogel compositions comprising the same
CN109803815B (zh) * 2016-10-14 2021-06-11 爱尔康公司 制造接触镜片的方法
US20180104919A1 (en) * 2016-10-14 2018-04-19 Novartis Ag Method for producing contact lenses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS108895A (de) * 1961-12-27
FR1342447A (fr) * 1962-11-27 1963-11-08 Ceskoslovenska Akademie Ved Procédé pour la fabrication de lentilles de contact et lentilles conformes à celles obtenues par ledit procédé ou similaire
DE1495381B2 (de) * 1963-09-07 1971-06-24 Czeskoslovenska akademie ved , Prag Verfahren zur herstellung von kontaktlinsen oder kontakt linsenrohlingen aus quellfaehigen hydrogelen

Also Published As

Publication number Publication date
SE319322B (de) 1970-01-12
DE1570359B2 (de) 1970-12-10
DE1570359A1 (de) 1970-01-22
US3496254A (en) 1970-02-17
ES314841A1 (es) 1966-03-16
DK115501B (da) 1969-10-13
CH453670A (de) 1968-03-31
GB1103245A (en) 1968-02-14
NL6508481A (de) 1966-01-03
BE666337A (de) 1965-11-03

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