GB1367846A - Low refractive index contact lenses - Google Patents

Low refractive index contact lenses

Info

Publication number
GB1367846A
GB1367846A GB2702672A GB2702672A GB1367846A GB 1367846 A GB1367846 A GB 1367846A GB 2702672 A GB2702672 A GB 2702672A GB 2702672 A GB2702672 A GB 2702672A GB 1367846 A GB1367846 A GB 1367846A
Authority
GB
United Kingdom
Prior art keywords
refractive index
low refractive
contact lenses
index contact
lenses
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
GB2702672A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1367846A publication Critical patent/GB1367846A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Eyeglasses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB2702672A 1971-06-11 1972-06-09 Low refractive index contact lenses Expired GB1367846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15207671A 1971-06-11 1971-06-11

Publications (1)

Publication Number Publication Date
GB1367846A true GB1367846A (en) 1974-09-25

Family

ID=22541421

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2702672A Expired GB1367846A (en) 1971-06-11 1972-06-09 Low refractive index contact lenses

Country Status (6)

Country Link
CA (1) CA964908A (enExample)
DE (1) DE2228528A1 (enExample)
FR (1) FR2140638B1 (enExample)
GB (1) GB1367846A (enExample)
IT (1) IT956454B (enExample)
NL (1) NL7207878A (enExample)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129155A (en) * 1982-10-13 1984-05-10 Ng Trustees & Nominees Ltd Bifocal contact lenses
GB2163753A (en) * 1984-08-30 1986-03-05 Central Glass Co Ltd Optical plastics material using methacrylic resin and fluoro-copolymer
US6024448A (en) * 1998-03-31 2000-02-15 Johnson & Johnson Vision Products, Inc. Contact lenses bearing identifying marks
USRE37071E1 (en) 1997-12-22 2001-02-27 Canadian Contact Lens Laboratories Ltd. Marked contact lens bearing optical marking element
US6203156B1 (en) 1998-03-31 2001-03-20 Johnson & Johnson Vision Care, Inc. Contact lenses bearing marks
GB2364136A (en) * 2000-06-29 2002-01-16 Brian David Cantor Multifocal contact lens with radially extending zones
US6609041B1 (en) 1999-05-05 2003-08-19 Johnson & Johnson Vision Care, Inc. Method and system for SKU tracking and changeover
EP1894059A4 (en) * 2005-06-24 2010-04-28 Boston Foundation For Sight SCLERAL CONTACT LENS WITH GROOVES AND METHOD FOR PRODUCING A LENS
EP2116888A4 (en) * 2007-01-16 2011-09-14 Menicon Co Ltd CONTACT LENS AND MANUFACTURING METHOD THEREFOR

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217869A (en) * 1988-04-22 1989-11-01 Ceskoslovenska Akademie Ved Contact lenses
US5173723A (en) * 1990-10-02 1992-12-22 Volk Donald A Aspheric ophthalmic accommodating lens design for intraocular lens and contact lens
US5198844A (en) * 1991-07-10 1993-03-30 Johnson & Johnson Vision Products, Inc. Segmented multifocal contact lens
SK377492A3 (en) * 1992-01-28 1995-05-10 Johnson & Johnson Vision Prod Multifocal refracting lens and method of its manufacture

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129155A (en) * 1982-10-13 1984-05-10 Ng Trustees & Nominees Ltd Bifocal contact lenses
GB2163753A (en) * 1984-08-30 1986-03-05 Central Glass Co Ltd Optical plastics material using methacrylic resin and fluoro-copolymer
DE3530908A1 (de) * 1984-08-30 1986-03-06 Central Glass Co., Ltd., Ube, Yamaguchi Optisches kunststoffmaterial unter verwendung von methacrylharz und fluorcopolymerem
USRE37071E1 (en) 1997-12-22 2001-02-27 Canadian Contact Lens Laboratories Ltd. Marked contact lens bearing optical marking element
US6024448A (en) * 1998-03-31 2000-02-15 Johnson & Johnson Vision Products, Inc. Contact lenses bearing identifying marks
US6203156B1 (en) 1998-03-31 2001-03-20 Johnson & Johnson Vision Care, Inc. Contact lenses bearing marks
US6609041B1 (en) 1999-05-05 2003-08-19 Johnson & Johnson Vision Care, Inc. Method and system for SKU tracking and changeover
GB2364136A (en) * 2000-06-29 2002-01-16 Brian David Cantor Multifocal contact lens with radially extending zones
GB2364136B (en) * 2000-06-29 2004-11-17 Brian David Cantor Multifocal contact lenses
EP1894059A4 (en) * 2005-06-24 2010-04-28 Boston Foundation For Sight SCLERAL CONTACT LENS WITH GROOVES AND METHOD FOR PRODUCING A LENS
US8087777B2 (en) 2005-06-24 2012-01-03 Boston Foundation For Sight Scleral contact lens with grooves and method of making lens
EP2116888A4 (en) * 2007-01-16 2011-09-14 Menicon Co Ltd CONTACT LENS AND MANUFACTURING METHOD THEREFOR
JP5149202B2 (ja) * 2007-01-16 2013-02-20 株式会社メニコン コンタクトレンズの製造方法

Also Published As

Publication number Publication date
CA964908A (en) 1975-03-25
DE2228528A1 (de) 1973-01-04
FR2140638B1 (enExample) 1977-12-23
FR2140638A1 (enExample) 1973-01-19
IT956454B (it) 1973-10-10
NL7207878A (enExample) 1972-12-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee