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GB9308657D0 - Photochromic lenses - Google Patents

Photochromic lenses

Info

Publication number
GB9308657D0
GB9308657D0 GB9308657A GB9308657A GB9308657D0 GB 9308657 D0 GB9308657 D0 GB 9308657D0 GB 9308657 A GB9308657 A GB 9308657A GB 9308657 A GB9308657 A GB 9308657A GB 9308657 D0 GB9308657 D0 GB 9308657D0
Authority
GB
United Kingdom
Prior art keywords
ophthalmic
photochromic
lens
graduated
misaligned configuration
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.)
Withdrawn
Application number
GB9308657A
Other versions
GB2277602A (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9308657A priority Critical patent/GB2277602A/en
Publication of GB9308657D0 publication Critical patent/GB9308657D0/en
Publication of GB2277602A publication Critical patent/GB2277602A/en
Withdrawn legal-status Critical Current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
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/102—Photochromic filters
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/16—Laminated or compound lenses

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)

Abstract

An ophthalmic graduated photochromic lens consisting of two ophthalmic lens blanks; one photochromic (4), the other clear (5), attached in a misaligned configuration and surfaced within the diameter x which coincides with the ophthalmic frame to produce two ophthalmic prisms (2, 3) of equal thickness and power, but with their bases in opposite directions so that they neutralise. This produces a graduated photochromic effect, which is fully obtained within the vertical boundaries of the lens due to its misaligned configuration. The resulting lens may be used for ophthalmic prescription work. <IMAGE>
GB9308657A 1993-04-27 1993-04-27 Opthalmic graduated photochromic lens Withdrawn GB2277602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9308657A GB2277602A (en) 1993-04-27 1993-04-27 Opthalmic graduated photochromic lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9308657A GB2277602A (en) 1993-04-27 1993-04-27 Opthalmic graduated photochromic lens

Publications (2)

Publication Number Publication Date
GB9308657D0 true GB9308657D0 (en) 1993-06-09
GB2277602A GB2277602A (en) 1994-11-02

Family

ID=10734530

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9308657A Withdrawn GB2277602A (en) 1993-04-27 1993-04-27 Opthalmic graduated photochromic lens

Country Status (1)

Country Link
GB (1) GB2277602A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9600929D0 (en) * 1996-01-17 1996-03-20 Hopkins David Improvements in optical devices
KR100399250B1 (en) * 2001-08-30 2003-09-26 김수진 Photochromic power of sunglasses lens for light-polarizing and method of making same
WO2018086880A1 (en) * 2016-11-14 2018-05-17 Essilor International Method for manufacturing an ophtalmic article
WO2019145782A2 (en) 2018-01-23 2019-08-01 Clear and Dark Ltd. Systems, methods, and apparatus for forming optical articles, and optical articles formed by the same
DE102018006794B3 (en) 2018-08-28 2020-01-02 Rodenstock Gmbh Spectacle lens, use of a spectacle lens and method for producing a spectacle lens
US11092822B2 (en) * 2019-05-08 2021-08-17 Johnson & Johnson Vision Care, Inc. Photochromic soft contact lens with cosmetic and efficacy considerations

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498919A (en) * 1983-10-31 1985-02-12 Corning Glass Works Method for making colored photochromic prescription ophthalmic lenses

Also Published As

Publication number Publication date
GB2277602A (en) 1994-11-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)