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FR2407232A1 - Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation - Google Patents

Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation

Info

Publication number
FR2407232A1
FR2407232A1 FR7732639A FR7732639A FR2407232A1 FR 2407232 A1 FR2407232 A1 FR 2407232A1 FR 7732639 A FR7732639 A FR 7732639A FR 7732639 A FR7732639 A FR 7732639A FR 2407232 A1 FR2407232 A1 FR 2407232A1
Authority
FR
France
Prior art keywords
hydrophilic
lens
gas plasma
prodn
polymerisation
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.)
Granted
Application number
FR7732639A
Other languages
French (fr)
Other versions
FR2407232B1 (en
Inventor
Eiichi Masuhara
Niro Tarumi
Makoto Tsuchiya
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.)
Hoya Lens Corp
Original Assignee
Hoya Lens Corp
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 Hoya Lens Corp filed Critical Hoya Lens Corp
Priority to FR7732639A priority Critical patent/FR2407232A1/en
Publication of FR2407232A1 publication Critical patent/FR2407232A1/en
Application granted granted Critical
Publication of FR2407232B1 publication Critical patent/FR2407232B1/fr
Granted legal-status Critical Current

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
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
    • B29C39/006—Monomers or prepolymers
    • 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
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

A hydrophilic silicone contact lens is produced by: (a) casting a silicone resin monomer into a mould, (b) heading the monomer to polymerise it, (c) forming the obtd. blank into a lens and (d) subjecting the surface of the lens to a low temp. gas plasma to impart hydrophilic props. to the surface. In an alternative process a further step (e) is included comprising forming a hydrophilic resin film on the gas plasma treated surface. The lens has improved flexibility, hydrophilicity and adaptability to the eye.
FR7732639A 1977-10-28 1977-10-28 Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation Granted FR2407232A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7732639A FR2407232A1 (en) 1977-10-28 1977-10-28 Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7732639A FR2407232A1 (en) 1977-10-28 1977-10-28 Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation

Publications (2)

Publication Number Publication Date
FR2407232A1 true FR2407232A1 (en) 1979-05-25
FR2407232B1 FR2407232B1 (en) 1980-06-13

Family

ID=9197081

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7732639A Granted FR2407232A1 (en) 1977-10-28 1977-10-28 Hydrophilic silicone resin contact lens prodn. - by treating lens surface with gas plasma and opt. forming hydrophilic resin film by polymerisation

Country Status (1)

Country Link
FR (1) FR2407232A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550726A1 (en) * 1983-05-23 1985-02-22 American Optical Corp ABRASION-RESISTANT, ANTISTATIC AND / OR ANTI-REFLECTIVE OPHTHALMIC LENSES AND THEIR MANUFACTURING METHOD
FR2682958A1 (en) * 1991-10-29 1993-04-30 Essilor Int BIOCOMPATIBLE SILICONES IN EYE MEDIA AND THEIR MANUFACTURING METHOD.
WO2004111691A1 (en) * 2003-06-13 2004-12-23 Essilor International (Compagnie Generale D'optique) Process for replacing an initial outermost coating layer of a coated optical lens by or depositing thereon a different coating layer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550726A1 (en) * 1983-05-23 1985-02-22 American Optical Corp ABRASION-RESISTANT, ANTISTATIC AND / OR ANTI-REFLECTIVE OPHTHALMIC LENSES AND THEIR MANUFACTURING METHOD
FR2682958A1 (en) * 1991-10-29 1993-04-30 Essilor Int BIOCOMPATIBLE SILICONES IN EYE MEDIA AND THEIR MANUFACTURING METHOD.
WO1993009164A1 (en) * 1991-10-29 1993-05-13 Essilor International (Compagnie Generale D'optique) Biocompatible silicones for ocular use and method for producing same
WO2004111691A1 (en) * 2003-06-13 2004-12-23 Essilor International (Compagnie Generale D'optique) Process for replacing an initial outermost coating layer of a coated optical lens by or depositing thereon a different coating layer
US7217440B2 (en) 2003-06-13 2007-05-15 Essilor International Compagnie Generale D'optique Process for replacing an initial outermost coating layer of a coated optical lens with a different coating layer or by depositing thereon a different coating layer

Also Published As

Publication number Publication date
FR2407232B1 (en) 1980-06-13

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Legal Events

Date Code Title Description
ST Notification of lapse