ATE222850T1 - Verfahren zur herstellung komplexer optischer entwürfe für kontaktlinsen - Google Patents

Verfahren zur herstellung komplexer optischer entwürfe für kontaktlinsen

Info

Publication number
ATE222850T1
ATE222850T1 AT98302517T AT98302517T ATE222850T1 AT E222850 T1 ATE222850 T1 AT E222850T1 AT 98302517 T AT98302517 T AT 98302517T AT 98302517 T AT98302517 T AT 98302517T AT E222850 T1 ATE222850 T1 AT E222850T1
Authority
AT
Austria
Prior art keywords
complex optical
optical designs
contact lenses
producing complex
mold
Prior art date
Application number
AT98302517T
Other languages
English (en)
Inventor
Jeffrey H Roffman
Timothy A Clutterbuck
Wallace Anthony Martin
Der Meulen Wybren Van
Edgar Menezes
Kornelis Renkema
Robert B Phillips
Victor Lust
Jongliang Wu
Gerbrand Eshuis
Original Assignee
Johnson & Johnson Vision Prod
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 Johnson & Johnson Vision Prod filed Critical Johnson & Johnson Vision Prod
Application granted granted Critical
Publication of ATE222850T1 publication Critical patent/ATE222850T1/de

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
    • B29D11/0048—Moulds for lenses
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/306—Exchangeable mould parts, e.g. cassette moulds, mould inserts
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • 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
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • 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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/7343—Heating or cooling of the mould heating or cooling different mould parts at different temperatures
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/7362—Heating or cooling of the mould turbulent flow of heating or cooling fluid
    • 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
    • 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
    • B29L2031/757—Moulds, cores, dies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
AT98302517T 1997-03-31 1998-03-31 Verfahren zur herstellung komplexer optischer entwürfe für kontaktlinsen ATE222850T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/829,766 US5861114A (en) 1994-06-10 1997-03-31 Method of manufacturing complex optical designs in soft contact lenses

Publications (1)

Publication Number Publication Date
ATE222850T1 true ATE222850T1 (de) 2002-09-15

Family

ID=25255500

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98302517T ATE222850T1 (de) 1997-03-31 1998-03-31 Verfahren zur herstellung komplexer optischer entwürfe für kontaktlinsen

Country Status (6)

Country Link
US (1) US5861114A (de)
EP (1) EP0876900B1 (de)
JP (1) JPH1138368A (de)
AT (1) ATE222850T1 (de)
CA (1) CA2233556C (de)
DE (1) DE69807390T2 (de)

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6036873A (en) * 1997-11-26 2000-03-14 Eastman Kodak Company Process for generating precision polished non-plannar aspherical surfaces
JPH11170275A (ja) * 1997-12-17 1999-06-29 Topcon Corp レンズ成形装置及びレンズ成形器具
US6176578B1 (en) * 1998-12-09 2001-01-23 Johnson & Johnson Vision Care, Inc. Toric contact lenses
US6183082B1 (en) * 1998-12-21 2001-02-06 Johnson & Johnson Vision Care, Inc. Contact lenses with constant peripheral geometry
AU1124200A (en) * 1998-12-30 2000-07-24 Bausch & Lomb Incorporated Method and mold for casting contact lenses
TW482720B (en) * 1999-03-31 2002-04-11 Novartis Ag Contact lens mold
US6869549B2 (en) * 1999-05-05 2005-03-22 Johnson & Johnson Vision Care, Inc. Method and mold for making ophthalmic devices
US6592356B1 (en) * 1999-05-05 2003-07-15 Johnson & Johnson Vision Care, Inc. Mold, molding system and molding machine for making ophthalmic devices
US6638451B1 (en) * 1999-08-31 2003-10-28 Novartis Ag Plastic casting molds
WO2001015883A1 (en) * 1999-09-01 2001-03-08 Tomey Corporation Method and device for producing contact lens elements and injection mold used therefor
US6086204A (en) 1999-09-20 2000-07-11 Magnante; Peter C. Methods and devices to design and fabricate surfaces on contact lenses and on corneal tissue that correct the eye's optical aberrations
FR2799153A1 (fr) * 1999-09-30 2001-04-06 Valeo Vision Procede de fabrication d'une lentille pour projecteur du genre elliptique de vehicule automobile, et projecteur incorporant une lentille perfectionnee
US6383419B1 (en) * 1999-12-09 2002-05-07 Gregg A. Dean Method for cast molding toric contact lenses
GB2360730B (en) * 2000-03-31 2004-09-22 Bausch & Lomb Uk Ltd Apparatus and method for separating contact lens molds
US7628485B2 (en) 2000-03-31 2009-12-08 Coopervision International Holding Company, Lp Contact lens having a uniform horizontal thickness profile
US6467903B1 (en) * 2000-03-31 2002-10-22 Ocular Sciences, Inc. Contact lens having a uniform horizontal thickness profile
US6419359B2 (en) 2000-04-11 2002-07-16 James Alan Edwards Surface design method
US6554425B1 (en) * 2000-10-17 2003-04-29 Johnson & Johnson Vision Care, Inc. Ophthalmic lenses for high order aberration correction and processes for production of the lenses
US7152975B2 (en) * 2000-11-10 2006-12-26 Cooper Vision, Inc. Junctionless ophthalmic lenses and methods for making same
US6595639B1 (en) * 2000-11-10 2003-07-22 Ocular Sciences, Inc. Junctionless ophthalmic lenses and methods for making same
US6861123B2 (en) 2000-12-01 2005-03-01 Johnson & Johnson Vision Care, Inc. Silicone hydrogel contact lens
US7422714B1 (en) 2001-01-24 2008-09-09 Cornerstone Research Group, Inc. Method of using a shape memory material as a mandrel for composite part manufacturing
US6986855B1 (en) 2001-01-24 2006-01-17 Cornerstone Research Group Structural and optical applications for shape memory polymers (SMP)
US6749787B2 (en) * 2001-02-28 2004-06-15 Xerox Corporation Composite coating for mold insert and method for making a coated mold insert
ATE526135T1 (de) * 2001-03-26 2011-10-15 Novartis Ag Giessform und verfahren zur herstellung von opthalmischen linsen
US7111938B2 (en) * 2001-04-27 2006-09-26 Novartis Ag Automatic lens design and manufacturing system
US6708397B2 (en) * 2001-08-09 2004-03-23 Johnson & Johnson Vision Care, Inc. Inlay station with alignment assemblies and transfer tubes
US6597510B2 (en) 2001-11-02 2003-07-22 Corning Incorporated Methods and apparatus for making optical devices including microlens arrays
EP1454175B1 (de) * 2001-12-14 2011-01-26 Raytheon Company Präzise justierte linsenstruktur und eine methode zur herstellung derselben
JP3963750B2 (ja) * 2002-03-25 2007-08-22 日本電産サンキョー株式会社 曲面切削加工方法
US7123985B2 (en) * 2002-04-12 2006-10-17 Johnson & Johnson Vision Care, Inc. Design build test cycle reduction
AU2003260369A1 (en) * 2002-08-06 2004-02-25 Novartis Ag Contact lenses
JP4556383B2 (ja) * 2002-11-29 2010-10-06 コニカミノルタホールディングス株式会社 転写光学面の加工方法
AU2003902102A0 (en) * 2003-05-02 2003-05-22 The Institute For Eye Research Contact lens
JP4627756B2 (ja) * 2003-05-21 2011-02-09 ノバルティス アーゲー コンタクトレンズ
CN1822935A (zh) * 2003-07-11 2006-08-23 皇家飞利浦电子股份有限公司 一种制造用于产生光学表面的模型的方法、一种生产隐形眼镜的方法和一种供这些方法使用的设备
US20050041203A1 (en) * 2003-08-20 2005-02-24 Lindacher Joseph Michael Ophthalmic lens with optimal power profile
US20070159593A1 (en) * 2003-10-27 2007-07-12 Menicon Co., Ltd. Contact lens
JP2005148147A (ja) * 2003-11-11 2005-06-09 Menicon Co Ltd トーリックコンタクトレンズのモールド成形装置
US20050140033A1 (en) * 2003-12-31 2005-06-30 Essilor International Compagnie Generale D'optique Process for making a coated optical article free of visible fining lines
US6988800B2 (en) * 2004-01-06 2006-01-24 St. Shine Optical Co., Ltd. Toric contact lens with meniscus-shaped flattened top and bottom zones for dynamic stabilization
US20060017184A1 (en) * 2004-07-22 2006-01-26 Dermot Keena Predictive method of assigning power to an ophthalmic lens or lens lot
US20060055071A1 (en) * 2004-08-18 2006-03-16 Stephen Kendig Using higher order mathematical functions to create asymmetric molding back pieces
US7585167B2 (en) * 2004-12-30 2009-09-08 Bausch + Lomb Incorporated Core locking assembly and method for orientation of asymmetric tooling
TWI259132B (en) * 2005-04-01 2006-08-01 Asia Optical Co Inc Method and device for optical article with increased surface accuracy
US7320587B2 (en) 2005-08-09 2008-01-22 Cooper Vision, Inc. Contact lens molds and systems and methods for producing same
US7799249B2 (en) * 2005-08-09 2010-09-21 Coopervision International Holding Company, Lp Systems and methods for producing silicone hydrogel contact lenses
US8287269B2 (en) * 2005-12-12 2012-10-16 Johnson & Johnson Vision Care, Inc. Molds for use in contact lens production
ES2332461T3 (es) * 2005-12-13 2010-02-05 Sauflon Cl Limited Produccion de lentillas.
US20080013046A1 (en) * 2006-07-12 2008-01-17 Dan Katzman Molds for progressive lenses
AR062067A1 (es) * 2006-07-17 2008-10-15 Novartis Ag Lentes de contacto toricas con perfil de potencia optica controlado
US8540907B2 (en) * 2006-07-24 2013-09-24 Coopervision International Holding Company, Lp Methods for producing ophthalmic lens molds and molded ophthalmic lenses
WO2008015318A1 (fr) * 2006-07-31 2008-02-07 Ice Foster Limited Lentille ophtalmique et son procede de fabrication
US8535043B2 (en) * 2006-10-30 2013-09-17 Johnson & Johnson Vision Care, Inc. Molds for use in contact lens production
CA2695516C (en) * 2007-08-07 2016-02-16 Novartis Ag Toric contact lens with improved posterior surface design
US8646908B2 (en) * 2008-03-04 2014-02-11 Johnson & Johnson Vision Care, Inc. Rotationally stabilized contact lenses and methods for their design
US20100053548A1 (en) * 2008-08-28 2010-03-04 Perez Jose L Toric Contact Lenses
US20100129484A1 (en) * 2008-11-26 2010-05-27 Scott Ansell Mold system for producing ophthalmic devices
PL2923813T3 (pl) * 2009-06-03 2022-11-21 Otto Wiesmayer Wkładka formy do formy kształtki i sposób wytwarzania kształtek
WO2012064699A1 (en) 2010-11-10 2012-05-18 Novartis Ag Method for making contact lenses
US8589134B2 (en) * 2011-02-11 2013-11-19 Gentex Optics, Inc. Method and system employing flow simulation for improving material delivery in lens manufacturing
EP2750867B1 (de) * 2011-08-31 2016-02-03 Johnson & Johnson Vision Care Inc. Verfahren zur behandlung einer ophthalmischen linse zur formung einer optik
US20130235334A1 (en) * 2011-08-31 2013-09-12 Michael F. Widman Ophthalmic lens forming optic
EP2753974B1 (de) * 2011-09-09 2023-10-04 Ezekiel Nominees Pty Ltd Verfahren zum giessen einer multifokalen translationslinse
DE102011121695A1 (de) * 2011-12-16 2013-06-20 Jenoptik Polymer Systems Gmbh Verfahren zur Herstellung eines Bauteils, insbesondere eines optischen Bauteils, mittels Urformen und ein derartig hergestelltes Bauteil
US9180610B2 (en) * 2012-08-23 2015-11-10 Crt Technology, Inc. Devices and processes for fabricating multi-component optical systems
NL2009435C2 (nl) 2012-09-07 2014-03-10 Innovalens B V Werkwijze voor het vervaardigen van een optische insert voor een spuitgietmal voor het vervaardigen van een ophtalmische inrichting.
US9352493B2 (en) * 2013-02-08 2016-05-31 Johnson & Johnson Vision Care, Inc. Casting cup assembly for forming an ophthalmic device
US9367648B2 (en) * 2013-03-14 2016-06-14 Synopsys, Inc. Specification-guided user interface for optical design systems
US9316848B2 (en) * 2013-03-15 2016-04-19 Johnson & Johnson Vision Care, Inc. Ophthalmic devices with stabilization features
US9421721B2 (en) 2013-09-20 2016-08-23 Gregory Gemoules System and method for designing scleral lenses
MY181927A (en) 2013-12-20 2021-01-14 Alcon Inc Reusable castings molds and method of making such molds
GB201401619D0 (en) * 2014-01-30 2014-03-19 Sauflon Cl Ltd Method of making contact lenses
US10234846B2 (en) * 2014-07-07 2019-03-19 Siemens Aktiengesellschaft Method and apparatus for determining an optimum manufacturing alternative for manufacturing a product
US9764501B2 (en) 2014-12-19 2017-09-19 Coopervision International Holding Company, Lp Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses
US9938034B2 (en) 2014-12-19 2018-04-10 Coopervision International Holding Company, Lp Method and apparatus relating to manufacture of molds for forming contact lenses
US9937640B2 (en) 2014-12-19 2018-04-10 Coopervision International Holding Company, Lp Apparatus and method for closure of ophthalmic lens molds
US10029402B2 (en) 2014-12-19 2018-07-24 Coopervision International Holding Company, Lp Method and apparatus for manufacturing contact lenses
US10137612B2 (en) 2014-12-19 2018-11-27 Coopervision International Holding Company, Lp Methods and apparatus for manufacture of ophthalmic lenses
US9885882B2 (en) 2016-02-03 2018-02-06 Diversified Ophthalmics, Inc. Progressive contact lens
DE102016204019B4 (de) * 2016-03-11 2022-10-13 Zumtobel Lighting Gmbh Spritzgussvorrichtung, Spritzgussverfahren sowie Linsenoptik
US10496882B2 (en) * 2016-08-22 2019-12-03 Lenovo (Singapore) Pte. Ltd. Coded ocular lens for identification
US10213842B2 (en) * 2017-02-10 2019-02-26 Spy Eye, Llc Method for achieving length accuracy of diamond turned parts
CN106802635B (zh) * 2017-03-08 2020-08-11 北京海普瑞森科技发展有限公司 一种隐形眼镜车床的控制方法、装置和系统
JP7057126B2 (ja) * 2017-12-26 2022-04-19 デクセリアルズ株式会社 原盤、転写物及び原盤の製造方法
CN111376142B (zh) * 2019-12-25 2021-09-10 苏州大学 一种大口径非球面镜数控铣磨成形抛光方法及装置
CN119458705B (zh) * 2024-11-22 2025-12-12 广东理思光学有限公司 光学透镜模具制作方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129628A (en) * 1976-07-19 1978-12-12 Rca Corporation Method of making a thermoplastic lens by vacuum forming
GB2034686B (en) * 1978-11-06 1983-05-05 Philips Electronic Associated Master replicating tool
JPS561329A (en) * 1979-06-19 1981-01-09 Minolta Camera Co Ltd Monolithicly molded plastic optical element
DE3112751A1 (de) * 1981-03-31 1982-10-07 Fa. Carl Zeiss, 7920 Heidenheim Formwerkzeug zur herstellung von teilen aus thermoplastischem material
US4640489A (en) * 1981-04-30 1987-02-03 Mia-Lens Production A/S Mold for making contact lenses, either the male or female mold sections being relatively more flexible
US4495313A (en) * 1981-04-30 1985-01-22 Mia Lens Production A/S Preparation of hydrogel for soft contact lens with water displaceable boric acid ester
US4565348A (en) * 1981-04-30 1986-01-21 Mia-Lens Production A/S Mold for making contact lenses, the male mold member being more flexible than the female mold member
US4890913A (en) * 1982-10-13 1990-01-02 Carle John T De Zoned multi-focal contact lens
GB2129155B (en) * 1982-10-13 1987-05-20 Ng Trustees & Nominees Ltd Bifocal contact lenses
DE3377535D1 (en) * 1982-10-27 1988-09-01 Pilkington Plc Bifocal contact lens comprising a plurality of concentric zones
US4680336A (en) * 1984-11-21 1987-07-14 Vistakon, Inc. Method of forming shaped hydrogel articles
US4928435A (en) * 1985-05-21 1990-05-29 Matsushita Electric Industrial Co., Ltd. Apparatus for working curved surfaces on a workpiece
JPS62144908A (ja) * 1985-12-20 1987-06-29 Toshiba Corp フレネルレンズ成形型の製造方法
US4985186A (en) * 1986-04-11 1991-01-15 Canon Kabushiki Kaisha Process for producing optical element
US5104590A (en) * 1988-10-26 1992-04-14 Wright Medical, Inc. Fabrication of an intraocular lens
US4793953A (en) * 1987-10-16 1988-12-27 Galic/Maus Ventures Mold for optical thermoplastic high-pressure molding
US5185107A (en) * 1988-10-26 1993-02-09 Iovision, Inc. Fabrication of an intraocular lens
US5171348A (en) * 1989-06-20 1992-12-15 Matsushita Electric Industrial Co., Ltd. Die for press-molding optical element
EP0440578A1 (de) * 1990-01-24 1991-08-07 Ciba-Geigy Ag Vorrichtung zur Herstellung einer Formgebungsfläche an einem Formwerkzeug für die Fertigung optischer und ophthalmischer Linsen
EP0458734B1 (de) * 1990-04-24 1993-12-01 Ciba-Geigy Ag Verfahren zur Herstellung von Kontaklinsen
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
JP2655972B2 (ja) * 1992-07-10 1997-09-24 昭和電工株式会社 ゴム成形用金型
KR100259225B1 (ko) * 1992-09-29 2000-06-15 스티븐 에이. 헬렁 플라스틱 주형 제조 방법
US5538674A (en) * 1993-11-19 1996-07-23 Donnelly Corporation Method for reproducing holograms, kinoforms, diffractive optical elements and microstructures
US5540410A (en) * 1994-06-10 1996-07-30 Johnson & Johnson Vision Prod Mold halves and molding assembly for making contact lenses
US5545366A (en) * 1994-06-10 1996-08-13 Lust; Victor Molding arrangement to achieve short mold cycle time and method of molding
US5759457A (en) * 1995-02-24 1998-06-02 Matsushita Electric Industrial Co., Ltd. Method for manufacturing an optical element
US5641437A (en) * 1995-09-29 1997-06-24 Johnson & Johnson Vision Products, Inc. Marking of mold inserts to produce marked contact lenses

Also Published As

Publication number Publication date
EP0876900A1 (de) 1998-11-11
DE69807390D1 (de) 2002-10-02
JPH1138368A (ja) 1999-02-12
DE69807390T2 (de) 2003-04-24
EP0876900B1 (de) 2002-08-28
CA2233556C (en) 2007-06-26
US5861114A (en) 1999-01-19
CA2233556A1 (en) 1998-09-30

Similar Documents

Publication Publication Date Title
DE69807390D1 (de) Verfahren zur Herstellung komplexer optischer Entwürfe für Kontaktlinsen
ATE225706T1 (de) Verfahren zur herstellung einer kontaktlinse
ATE526147T1 (de) Verfahren zur herstellung von brillenlinsen mit verschiedenen rezepten
DE60040169D1 (de) Verfahren zur giessformung torischer kontaktlinsen
DE69315581D1 (de) Verfahren zur herstellung silikonhaltiger hydrogel-linsen
WO2002083400A3 (en) High optical quality molds for use in contact lens production
ES2114613T3 (es) Procedimiento para la fabricacion de moldes de plastico y procedimiento de colada de lentes de contacto.
DE69411468D1 (de) Verfahren zur Herstellung optischer Linsen
ATE192383T1 (de) Verfahren zur füllung einer giessform für die herstellung einer optischen linse
DE69528686D1 (de) Sauerstoffarmes Verfahren zur Herstellung von weichen Kontakt-Linsen
DE69520650D1 (de) Verfahren zur Herstellung optischer Qualitätsformen mit genauen Mikroeigenschaften
DE69935409D1 (de) Ferrule für optische Stecker, entsprechende Giessform und Methode zur Herstellung der Ferrule
ATE213992T1 (de) Verfahren zur herstellung einer intraokularlinse mit einem flexiblen optischen teil
DE69010249D1 (de) Verfahren zur Herstellung optischer Wellenleiter.
DE69739809D1 (de) Verfahren zur herstellung progressiver multifokaler linsen
ATE330779T1 (de) Verfahren zur herstellung von intraokularlinsen
DE69941555D1 (de) Verfahren zur Herstellung einer Giessform für Mikro-Linsen
ATE287328T1 (de) Giessform zur herstellung von kontaktlinsen
DE60025847D1 (de) Verfahren zur automatischen herstellung von brillenlinsen
DE69109423D1 (de) Verfahren zur Herstellung eines optischen Quarz-Wellenleiters.
DE69725535D1 (de) Verfahren zur Herstellung von Kunststoff-Gegenständen für optische Ausführungen
DE59706254D1 (de) Verfahren zur herstellung eines für optische zwecke geeigneten formkörpers
DE10192921D2 (de) Verfahren zur Herstellung eines Brillenglases
ATE182287T1 (de) Verfahren und vorrichtung zur herstellung einer kontaktlinse
DE69502757D1 (de) Verfahren zur Bildung einer Giessform geeignet zur Herstellung einer optischen Linse und derart hergestellte Giessform

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties