FR1388995A - Variable tint lens depending on viewing distance - Google Patents

Variable tint lens depending on viewing distance

Info

Publication number
FR1388995A
FR1388995A FR959299A FR959299A FR1388995A FR 1388995 A FR1388995 A FR 1388995A FR 959299 A FR959299 A FR 959299A FR 959299 A FR959299 A FR 959299A FR 1388995 A FR1388995 A FR 1388995A
Authority
FR
France
Prior art keywords
viewing distance
lens depending
variable tint
tint lens
variable
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
FR959299A
Other languages
French (fr)
Inventor
Raymond Andre Dudragne
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 filed Critical
Priority to FR959299A priority Critical patent/FR1388995A/en
Application granted granted Critical
Publication of FR1388995A publication Critical patent/FR1388995A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • G02C7/046Contact lenses having an iris pattern
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/021Lenses; Lens systems ; Methods of designing lenses with pattern for identification or with cosmetic or therapeutic effects
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • G02C7/041Contact lenses for the eyes bifocal; multifocal

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR959299A 1964-01-03 1964-01-03 Variable tint lens depending on viewing distance Expired FR1388995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR959299A FR1388995A (en) 1964-01-03 1964-01-03 Variable tint lens depending on viewing distance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR959299A FR1388995A (en) 1964-01-03 1964-01-03 Variable tint lens depending on viewing distance

Publications (1)

Publication Number Publication Date
FR1388995A true FR1388995A (en) 1965-02-12

Family

ID=8820232

Family Applications (1)

Application Number Title Priority Date Filing Date
FR959299A Expired FR1388995A (en) 1964-01-03 1964-01-03 Variable tint lens depending on viewing distance

Country Status (1)

Country Link
FR (1) FR1388995A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2089756B1 (en) * 2006-11-17 2016-03-16 Essilor International (Compagnie Générale D'Optique) Coloured ophthalmic lenses for people with dyslexia
EP2089757B1 (en) * 2006-11-17 2016-03-16 Essilor International (Compagnie Générale D'Optique) Multi-tint ophthalmic lenses for night vision

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2089756B1 (en) * 2006-11-17 2016-03-16 Essilor International (Compagnie Générale D'Optique) Coloured ophthalmic lenses for people with dyslexia
EP2089757B1 (en) * 2006-11-17 2016-03-16 Essilor International (Compagnie Générale D'Optique) Multi-tint ophthalmic lenses for night vision

Similar Documents

Publication Publication Date Title
DK130319B (en) Sight binoculars.
CH381878A (en) Vari-focal lens
FR1405071A (en) Variable focal length lens
FR1388995A (en) Variable tint lens depending on viewing distance
CH481390A (en) Vari-focal lens
FR1542937A (en) Variable reduction lens system
FR1520489A (en) Variable focal length lens
CH404233A (en) Variable focal length optical system
CH384888A (en) Variable focal length lens
CH482207A (en) Variable focal length lens
FR1526526A (en) Projection lens with progressively variable focal length
CH392921A (en) Variable focal length optical system
FR1357790A (en) High brightness varifocal lens
FR1322643A (en) Shooting optics, in particular with variable focal length, for cinematographic camera or the like
FR1501847A (en) High definition telephoto lens
FR1516612A (en) High brightness varifocal lens
FR1324821A (en) Variable focal length projection lens
FR1371676A (en) Vari-focal lens
CH380407A (en) Vari-focal lens
FR1473070A (en) High brightness varifocal lens
FR1545695A (en) Broken optical axis lens
FR1339739A (en) Mirror lens
FR1380830A (en) Very bright projection lens with variable focal length
FR1487451A (en) Aerial image television receiver
FR1471143A (en) Direct vision infrared binoculars