GB1004424A - Contact lens - Google Patents

Contact lens

Info

Publication number
GB1004424A
GB1004424A GB21815/63A GB2181563A GB1004424A GB 1004424 A GB1004424 A GB 1004424A GB 21815/63 A GB21815/63 A GB 21815/63A GB 2181563 A GB2181563 A GB 2181563A GB 1004424 A GB1004424 A GB 1004424A
Authority
GB
United Kingdom
Prior art keywords
contact lens
lens
contact
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
GB21815/63A
Other languages
English (en)
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.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Publication of GB1004424A publication Critical patent/GB1004424A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C41/042—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry
    • B29C41/045—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry the axis being placed vertically, e.g. spin casting
    • 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
    • B29C41/22—Making multilayered or multicoloured articles
    • 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
    • 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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00317—Production of lenses with markings or patterns
    • 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
    • B29D11/00894—Applying coatings; tinting; colouring colouring or tinting
    • B29D11/00903—Applying coatings; tinting; colouring colouring or tinting on the surface
    • 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
    • G02C7/021—Lenses; Lens systems ; Methods of designing lenses with pattern for identification or with cosmetic or therapeutic effects
    • 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
    • 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
    • G02C7/046—Contact lenses having an iris pattern
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/001—Shaping in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/002—Coloured
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/002—Coloured
    • B29K2995/0021—Multi-coloured
    • 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

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Eyeglasses (AREA)
GB21815/63A 1962-05-31 1963-05-31 Contact lens Expired GB1004424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS333262 1962-05-31

Publications (1)

Publication Number Publication Date
GB1004424A true GB1004424A (en) 1965-09-15

Family

ID=5373056

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21815/63A Expired GB1004424A (en) 1962-05-31 1963-05-31 Contact lens

Country Status (6)

Country Link
AT (1) AT245286B (fr)
BE (1) BE633091A (fr)
CH (1) CH431044A (fr)
FR (1) FR1370642A (fr)
GB (1) GB1004424A (fr)
NL (1) NL293512A (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102567A (en) * 1976-09-13 1978-07-25 American Optical Corporation Material for fabrication of artificial intraocular lenses and hard contact lenses
EP0072353A2 (fr) * 1981-08-12 1983-02-16 Agripat Ag Lentilles de contact colorées et procédé pour leur fabrication
US4468229A (en) * 1981-08-12 1984-08-28 Ciba-Geigy Corporation Tinted contact lenses and a method for their preparation with reactive dyes
EP0156624A2 (fr) * 1984-03-23 1985-10-02 Allergan, Inc Support pour teindre des lentilles et système utilisant ce support
US4553975A (en) * 1981-08-12 1985-11-19 Ciba Geigy Corporation Tinted contact lenses and a method for their preparation
US4559059A (en) * 1981-08-12 1985-12-17 Ciba-Geigy Corporation Tinted contact lenses and a method for their preparation
US4640805A (en) * 1985-10-07 1987-02-03 Neefe Charles W Method of selectively tinting cast lenses
US4666640A (en) * 1986-02-13 1987-05-19 Neefe Charles W Method of making a spin cast gradient light absorbing contact lens
US4733959A (en) * 1985-05-01 1988-03-29 Optatint, Inc. Apparatus and method for tinting hydrophilic contact lenses
EP0272101A2 (fr) * 1986-12-19 1988-06-22 Igel International Limited Objets colorés sous forme d'hydrogel et leur préparation
US4891046A (en) * 1984-03-15 1990-01-02 Coopervision, Inc. Tinted contact lens and method for preparation with dichlorotriazine reactive dye
EP0352134A2 (fr) * 1988-07-21 1990-01-24 Allergan, Inc Lentille colorée et procédé pour sa fabrication
EP0396376B1 (fr) * 1989-05-02 1994-12-28 BAUSCH & LOMB INCORPORATED Colorant polymérisable
EP0983838A2 (fr) * 1998-09-02 2000-03-08 INNOVA, Inc Procédé pour la fabrication de lentilles de contact colorés avec un aspect éblouissant

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329378A (en) * 1979-12-11 1982-05-11 Kabushiki Kaisha Hoya Lens (Hoya Lens Corporation) Method for marking an indication to the lens
CA1233302A (fr) * 1983-04-11 1988-03-01 Miles W. Press Articles en plastique hydrogel colores et methode de coloration
DE4310906A1 (de) * 1992-04-03 1993-10-07 Asahi Optical Co Ltd Verfahren zum Tönen eines transparenten optischen Elements

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102567A (en) * 1976-09-13 1978-07-25 American Optical Corporation Material for fabrication of artificial intraocular lenses and hard contact lenses
EP0072353A2 (fr) * 1981-08-12 1983-02-16 Agripat Ag Lentilles de contact colorées et procédé pour leur fabrication
EP0072353A3 (en) * 1981-08-12 1983-07-20 Agripat Ag Coloured contact lenses and process for their preparation
US4468229A (en) * 1981-08-12 1984-08-28 Ciba-Geigy Corporation Tinted contact lenses and a method for their preparation with reactive dyes
US4553975A (en) * 1981-08-12 1985-11-19 Ciba Geigy Corporation Tinted contact lenses and a method for their preparation
US4559059A (en) * 1981-08-12 1985-12-17 Ciba-Geigy Corporation Tinted contact lenses and a method for their preparation
US4891046A (en) * 1984-03-15 1990-01-02 Coopervision, Inc. Tinted contact lens and method for preparation with dichlorotriazine reactive dye
EP0156624A2 (fr) * 1984-03-23 1985-10-02 Allergan, Inc Support pour teindre des lentilles et système utilisant ce support
EP0156624A3 (en) * 1984-03-23 1986-10-29 Ryder International Corporation Lens tinting fixture and system utilizing said fixture
US4733959A (en) * 1985-05-01 1988-03-29 Optatint, Inc. Apparatus and method for tinting hydrophilic contact lenses
US4640805A (en) * 1985-10-07 1987-02-03 Neefe Charles W Method of selectively tinting cast lenses
US4666640A (en) * 1986-02-13 1987-05-19 Neefe Charles W Method of making a spin cast gradient light absorbing contact lens
EP0272101A2 (fr) * 1986-12-19 1988-06-22 Igel International Limited Objets colorés sous forme d'hydrogel et leur préparation
EP0272101A3 (en) * 1986-12-19 1989-03-08 Igel International Limited Coloured hydrogel objects and their production
US4981487A (en) * 1986-12-19 1991-01-01 Igel International Ltd. Colored hydrogel objects and their production-containing a water-insoluble opaquing agent
EP0352134A2 (fr) * 1988-07-21 1990-01-24 Allergan, Inc Lentille colorée et procédé pour sa fabrication
EP0352134A3 (fr) * 1988-07-21 1991-02-06 Allergan, Inc Lentille colorée et procédé pour sa fabrication
EP0396376B1 (fr) * 1989-05-02 1994-12-28 BAUSCH & LOMB INCORPORATED Colorant polymérisable
EP0983838A2 (fr) * 1998-09-02 2000-03-08 INNOVA, Inc Procédé pour la fabrication de lentilles de contact colorés avec un aspect éblouissant
EP0983838A3 (fr) * 1998-09-02 2002-01-02 INNOVA, Inc Procédé pour la fabrication de lentilles de contact colorés avec un aspect éblouissant

Also Published As

Publication number Publication date
NL293512A (nl) 1965-07-26
FR1370642A (fr) 1964-08-28
CH431044A (de) 1967-02-28
BE633091A (fr) 1963-10-21
AT245286B (de) 1966-02-25

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