IT956361B - Lente a contatto - Google Patents

Lente a contatto

Info

Publication number
IT956361B
IT956361B IT2540772A IT2540772A IT956361B IT 956361 B IT956361 B IT 956361B IT 2540772 A IT2540772 A IT 2540772A IT 2540772 A IT2540772 A IT 2540772A IT 956361 B IT956361 B IT 956361B
Authority
IT
Italy
Prior art keywords
contact lens
lens
contact
Prior art date
Application number
IT2540772A
Other languages
English (en)
Italian (it)
Original Assignee
Merrill E
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 Merrill E filed Critical Merrill E
Application granted granted Critical
Publication of IT956361B publication Critical patent/IT956361B/it

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

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Eyeglasses (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
IT2540772A 1971-06-09 1972-06-08 Lente a contatto IT956361B (it)

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
IT956361B true IT956361B (it) 1973-10-10

Family

ID=26848572

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2540772A IT956361B (it) 1971-06-09 1972-06-08 Lente a contatto

Country Status (8)

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

Families Citing this family (13)

* 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
US4217038A (en) * 1978-06-05 1980-08-12 Bausch & Lomb Incorporated Glass coated polysiloxane contact lens
FR2498446B1 (fr) * 1981-01-26 1985-05-24 Inst Nat Sante Rech Med Procede de traitement d'une prothese du type mammaire et prothese obtenue
US5223553A (en) * 1983-03-09 1993-06-29 Metallized Products, Inc. Antistatic resin composition
CA1287322C (en) * 1984-03-12 1991-08-06 Metallized Products, Inc. Coating and irradiating reaction product of prepolymer and antistatic quaternary ammonium salt
EP0220919A3 (de) * 1985-10-21 1989-04-12 Shin-Etsu Chemical Co., Ltd. Kontaktlinse
US6201037B1 (en) 1986-01-28 2001-03-13 Ophthalmic Research Group International, Inc. Plastic lens composition and method for the production thereof
US6730244B1 (en) 1986-01-28 2004-05-04 Q2100, Inc. Plastic lens and method for the production thereof
US5415816A (en) 1986-01-28 1995-05-16 Q2100, Inc. Method for the production of plastic lenses
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
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.
CN113968932B (zh) * 2021-10-22 2023-04-04 深圳市大仕城光学科技有限公司 软性隐形眼镜及其制备方法

Also Published As

Publication number Publication date
DE2228180A1 (de) 1973-01-25
CA965039A (en) 1975-03-25
FR2140560B1 (de) 1976-09-03
GB1378971A (en) 1975-01-02
FR2140560A1 (de) 1973-01-19
JPS5127546B1 (de) 1976-08-13
SE387272B (sv) 1976-09-06
NL7207874A (de) 1972-12-12

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