FR1236413A - Bifocal contact lens - Google Patents

Bifocal contact lens

Info

Publication number
FR1236413A
FR1236413A FR805829A FR805829A FR1236413A FR 1236413 A FR1236413 A FR 1236413A FR 805829 A FR805829 A FR 805829A FR 805829 A FR805829 A FR 805829A FR 1236413 A FR1236413 A FR 1236413A
Authority
FR
France
Prior art keywords
contact lens
bifocal contact
bifocal
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
FR805829A
Other languages
French (fr)
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.)
Plastic Contact Lens Co
Original Assignee
Plastic Contact Lens 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 Plastic Contact Lens Co filed Critical Plastic Contact Lens Co
Application granted granted Critical
Publication of FR1236413A publication Critical patent/FR1236413A/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
    • G02C7/048—Means for stabilising the orientation of lenses in the eye
    • 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
    • G02C7/043—Translating type
    • 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
    • G02C7/044—Annular configuration, e.g. pupil tuned
    • 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
    • G02C7/045—Sectorial configuration

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Prostheses (AREA)
FR805829A 1958-10-06 1959-09-23 Bifocal contact lens Expired FR1236413A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76555358A 1958-10-06 1958-10-06

Publications (1)

Publication Number Publication Date
FR1236413A true FR1236413A (en) 1960-07-15

Family

ID=25073856

Family Applications (1)

Application Number Title Priority Date Filing Date
FR805829A Expired FR1236413A (en) 1958-10-06 1959-09-23 Bifocal contact lens

Country Status (3)

Country Link
DE (1) DE1136846B (en)
FR (1) FR1236413A (en)
GB (1) GB905289A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308705A2 (en) * 1987-09-24 1989-03-29 FIALA, Werner Multifocal birefringent lens system

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1199019B (en) * 1959-06-24 1965-08-19 Raymonde Jeanne Augustine Koch Bifocal corneal cup
US3431327A (en) * 1964-08-31 1969-03-04 George F Tsuetaki Method of making a bifocal contact lens with an embedded metal weight
US3597055A (en) * 1969-01-28 1971-08-03 Charles W Neefe Monocentric bifocal contact lens
US3684357A (en) * 1970-01-19 1972-08-15 George F Tsuetaki Fused bifocal contact lens unit
JPS49102750U (en) * 1972-12-25 1974-09-04
US6883915B2 (en) 2002-02-14 2005-04-26 Novartis Ag Contact lenses with off-center sphere surface

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1206929A (en) * 1958-03-03 1960-02-12 Bifocal contact lens

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308705A2 (en) * 1987-09-24 1989-03-29 FIALA, Werner Multifocal birefringent lens system
EP0308705A3 (en) * 1987-09-24 1989-09-20 FIALA, Werner Multifocal birefringent lens system
US4981342A (en) * 1987-09-24 1991-01-01 Allergan Inc. Multifocal birefringent lens system
US5142411A (en) * 1987-09-24 1992-08-25 Werner J. Fiala Multifocal birefringent lens system

Also Published As

Publication number Publication date
DE1136846B (en) 1962-09-20
GB905289A (en) 1962-09-05

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