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ES381509A2 - Contact lenses - Google Patents

Contact lenses

Info

Publication number
ES381509A2
ES381509A2 ES381509A ES381509A ES381509A2 ES 381509 A2 ES381509 A2 ES 381509A2 ES 381509 A ES381509 A ES 381509A ES 381509 A ES381509 A ES 381509A ES 381509 A2 ES381509 A2 ES 381509A2
Authority
ES
Spain
Prior art keywords
region
central region
openings
pupil
pupil area
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
ES381509A
Other languages
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 ES381509A2 publication Critical patent/ES381509A2/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
    • G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/105—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having inhomogeneously distributed colouring

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)
  • Optical Elements Other Than Lenses (AREA)
  • Prostheses (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

Improvements introduced in the object of the main patent number 352,876, granted on November 26, 1968, for: "Improvements in the construction of corneal contact lenses"; characterized in that said pupil area comprises a light transmitting region located in the center, a virtually opaque region of said lens surrounding said central region, said opaque region extending from said pupil area a distance between 1.00 and 3 .00 mm. approximately when measured from the center of said central region, a plurality of light transmitting openings interrupting said opaque region, at least some parts of said openings being located in said area of the pupil, and why said central region of the Said pupil area is optically designed to correct the user's far vision with the combination of said central region, said transmission openings and optical correction providing the user with a continuous focal effect, a suitable peripheral field and sufficient illumination. (Machine-translation by Google Translate, not legally binding)
ES381509A 1970-01-05 1970-07-07 Contact lenses Expired ES381509A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53670A 1970-01-05 1970-01-05

Publications (1)

Publication Number Publication Date
ES381509A2 true ES381509A2 (en) 1973-05-01

Family

ID=21691937

Family Applications (1)

Application Number Title Priority Date Filing Date
ES381509A Expired ES381509A2 (en) 1970-01-05 1970-07-07 Contact lenses

Country Status (5)

Country Link
CA (1) CA948451A (en)
DE (1) DE2063175A1 (en)
ES (1) ES381509A2 (en)
FR (1) FR2074870A5 (en)
GB (1) GB1340877A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002663A3 (en) * 1977-11-10 1979-07-25 Paul Bragard Contact lens
EP0109753B1 (en) * 1982-10-27 1988-07-27 Pilkington Plc Bifocal contact lens comprising a plurality of concentric zones
WO1989007281A1 (en) * 1988-02-01 1989-08-10 Steve Newman Pattern contact lens
BR9007801A (en) 1989-11-01 1992-09-01 Schering Corp VERY NATURAL COLORED CONTACT LENS
CA2100092A1 (en) * 1991-11-08 1993-05-09 Gunilla Lofgren Nisser Auxiliary means provided for treatment of visual and/or brain disorder
US7025455B2 (en) 2003-12-19 2006-04-11 J&J Vision Care, Inc. Multifocal contact lenses having a pinhole
US8066370B2 (en) 2008-07-02 2011-11-29 Johnson & Johnson Vision Care, Inc. Tinted contact lenses with crescent patterns
CA3158994A1 (en) 2019-12-01 2021-06-10 Ravi Chandra Bakaraju Ophthalmic lens designs with non-refractive features
US20230107285A1 (en) * 2020-03-01 2023-04-06 Nthalmic Holding Pty Ltd Contact lens apparatus for myopia management

Also Published As

Publication number Publication date
GB1340877A (en) 1973-12-19
CA948451A (en) 1974-06-04
FR2074870A5 (en) 1971-10-08
DE2063175A1 (en) 1971-07-29

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