CA964908A - Low refractive index contact lenses - Google Patents

Low refractive index contact lenses

Info

Publication number
CA964908A
CA964908A CA143,656A CA143656A CA964908A CA 964908 A CA964908 A CA 964908A CA 143656 A CA143656 A CA 143656A CA 964908 A CA964908 A CA 964908A
Authority
CA
Canada
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
CA143,656A
Other versions
CA143656S (en
Inventor
Archie E. Barkdoll
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
Application granted granted Critical
Publication of CA964908A publication Critical patent/CA964908A/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)
CA143,656A 1971-06-11 1972-06-01 Low refractive index contact lenses Expired CA964908A (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
CA964908A true CA964908A (en) 1975-03-25

Family

ID=22541421

Family Applications (1)

Application Number Title Priority Date Filing Date
CA143,656A Expired CA964908A (en) 1971-06-11 1972-06-01 Low refractive index contact lenses

Country Status (6)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3381691D1 (en) * 1982-10-13 1990-08-02 Ng Trustees & Nominees Ltd BIFOCAL CONTACT LENSES.
JPS6157908A (en) * 1984-08-30 1986-03-25 Seizo Miyata Optical resin composition
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
US5936704A (en) 1997-12-22 1999-08-10 Gabrielian; Grant Marked contact lens bearing optical marking element
US6203156B1 (en) 1998-03-31 2001-03-20 Johnson & Johnson Vision Care, Inc. Contact lenses bearing marks
US6024448A (en) * 1998-03-31 2000-02-15 Johnson & Johnson Vision Products, Inc. Contact lenses bearing identifying marks
US6609041B1 (en) 1999-05-05 2003-08-19 Johnson & Johnson Vision Care, Inc. Method and system for SKU tracking and changeover
GB2364136B (en) * 2000-06-29 2004-11-17 Brian David Cantor Multifocal contact lenses
WO2007002487A2 (en) 2005-06-24 2007-01-04 Boston Foundation For Sight Scleral contact lens with grooves and method of making lens
US20090303432A1 (en) * 2007-01-16 2009-12-10 Menicon Co., Ltd. Contact Lens and Method of Producing Contact Lens

Also Published As

Publication number Publication date
FR2140638B1 (en) 1977-12-23
DE2228528A1 (en) 1973-01-04
GB1367846A (en) 1974-09-25
IT956454B (en) 1973-10-10
FR2140638A1 (en) 1973-01-19
NL7207878A (en) 1972-12-13

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