ES352876A1 - Perfeccionamientos en la construccion de lentillas de con- tacto corneal. - Google Patents

Perfeccionamientos en la construccion de lentillas de con- tacto corneal.

Info

Publication number
ES352876A1
ES352876A1 ES352876A ES352876A ES352876A1 ES 352876 A1 ES352876 A1 ES 352876A1 ES 352876 A ES352876 A ES 352876A ES 352876 A ES352876 A ES 352876A ES 352876 A1 ES352876 A1 ES 352876A1
Authority
ES
Spain
Prior art keywords
area
contact lens
areas
bifocal contact
light transmission
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
ES352876A
Other languages
English (en)
Spanish (es)
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
Publication of ES352876A1 publication Critical patent/ES352876A1/es
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
    • 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
    • G02C7/042—Simultaneous 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
    • G02C7/045—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)
  • Lenses (AREA)
ES352876A 1967-04-20 1968-04-18 Perfeccionamientos en la construccion de lentillas de con- tacto corneal. Expired ES352876A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63239867A 1967-04-20 1967-04-20

Publications (1)

Publication Number Publication Date
ES352876A1 true ES352876A1 (es) 1969-10-01

Family

ID=24535372

Family Applications (1)

Application Number Title Priority Date Filing Date
ES352876A Expired ES352876A1 (es) 1967-04-20 1968-04-18 Perfeccionamientos en la construccion de lentillas de con- tacto corneal.

Country Status (4)

Country Link
DE (1) DE1772252A1 (enExample)
ES (1) ES352876A1 (enExample)
FR (1) FR1557212A (enExample)
GB (1) GB1178211A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989007281A1 (en) * 1988-02-01 1989-08-10 Steve Newman Pattern contact lens
US5980040A (en) * 1997-06-30 1999-11-09 Wesley Jessen Corporation Pinhole lens and contact lens
CA2339776C (en) 1998-08-06 2005-10-25 John B. W. Lett Multifocal aspheric lens

Also Published As

Publication number Publication date
GB1178211A (en) 1970-01-21
DE1772252A1 (de) 1971-02-11
FR1557212A (enExample) 1969-02-14

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