FR2418478A2 - Dispositif de filtre optique selectif pour la protection et l'amelioration de la vision oculaire - Google Patents

Dispositif de filtre optique selectif pour la protection et l'amelioration de la vision oculaire

Info

Publication number
FR2418478A2
FR2418478A2 FR7805521A FR7805521A FR2418478A2 FR 2418478 A2 FR2418478 A2 FR 2418478A2 FR 7805521 A FR7805521 A FR 7805521A FR 7805521 A FR7805521 A FR 7805521A FR 2418478 A2 FR2418478 A2 FR 2418478A2
Authority
FR
France
Prior art keywords
tennis
filter
partially opaque
filtered optical
clear region
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.)
Granted
Application number
FR7805521A
Other languages
English (en)
Other versions
FR2418478B2 (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.)
CARREAU BERNARD
Original Assignee
CARREAU BERNARD
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 CARREAU BERNARD filed Critical CARREAU BERNARD
Priority to FR7805521A priority Critical patent/FR2418478A2/fr
Priority to GB17382/78A priority patent/GB1603751A/en
Priority to DE7813480U priority patent/DE7813480U1/de
Priority to US05/903,483 priority patent/US4229082A/en
Publication of FR2418478A2 publication Critical patent/FR2418478A2/fr
Application granted granted Critical
Publication of FR2418478B2 publication Critical patent/FR2418478B2/fr
Granted 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

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)

Abstract

Filtre optique sélectif destiné à être placé devant les yeux pour la protection et l'amélioration de la vision. Il comporte plusieurs zones d'absorption différente, avec une zone centrale 2 parfaitement perméable ou à faible absorption; la zone 3 entourant cette partie centrale a une capacité d'absorption du flux lumineux comprise entre 30 % et 80 %. Application à la réalisation de lunettes pour la conduite automobile et pour les sports.
FR7805521A 1977-05-06 1978-02-27 Dispositif de filtre optique selectif pour la protection et l'amelioration de la vision oculaire Granted FR2418478A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7805521A FR2418478A2 (fr) 1978-02-27 1978-02-27 Dispositif de filtre optique selectif pour la protection et l'amelioration de la vision oculaire
GB17382/78A GB1603751A (en) 1977-05-06 1978-05-03 Selective optical filter
DE7813480U DE7813480U1 (de) 1977-05-06 1978-05-03 Zonenfilter zum schutz und zur verbesserung der sehkraft
US05/903,483 US4229082A (en) 1977-05-06 1978-05-08 Selective optical filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7805521A FR2418478A2 (fr) 1978-02-27 1978-02-27 Dispositif de filtre optique selectif pour la protection et l'amelioration de la vision oculaire

Publications (2)

Publication Number Publication Date
FR2418478A2 true FR2418478A2 (fr) 1979-09-21
FR2418478B2 FR2418478B2 (fr) 1983-07-18

Family

ID=9205089

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7805521A Granted FR2418478A2 (fr) 1977-05-06 1978-02-27 Dispositif de filtre optique selectif pour la protection et l'amelioration de la vision oculaire

Country Status (1)

Country Link
FR (1) FR2418478A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008059175A1 (fr) * 2006-11-17 2008-05-22 Essilor International (Compagnie Generale D'optique) Lentilles ophtalmiques colorees multi-teintes
WO2008059178A1 (fr) * 2006-11-17 2008-05-22 Essilor International (Compagnie Generale D'optique) Lentilles ophtalmiques colorees multi-teintes pour myopes
US8162477B2 (en) 2007-05-31 2012-04-24 Essilor International (Compagnie Generale D'optique) Progressive ophthalmic lens for myopia correction and method for making such a lens

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008059175A1 (fr) * 2006-11-17 2008-05-22 Essilor International (Compagnie Generale D'optique) Lentilles ophtalmiques colorees multi-teintes
WO2008059178A1 (fr) * 2006-11-17 2008-05-22 Essilor International (Compagnie Generale D'optique) Lentilles ophtalmiques colorees multi-teintes pour myopes
FR2908896A1 (fr) * 2006-11-17 2008-05-23 Essilor Int Lentilles ophtalmiques colorees multi-teintes pour myopes.
FR2908897A1 (fr) * 2006-11-17 2008-05-23 Essilor Int Lentilles ophtalmiques colorees multi-teintes.
US7971996B2 (en) 2006-11-17 2011-07-05 Essilor International (Compagnie Generale D'optique) Multi-tint colored ophthalmic lenses for the short-sighted
US8096656B2 (en) 2006-11-17 2012-01-17 Essilor International (Compagnie Generale D'optique) Multi-tint coloured ophtalmic lenses
US8162477B2 (en) 2007-05-31 2012-04-24 Essilor International (Compagnie Generale D'optique) Progressive ophthalmic lens for myopia correction and method for making such a lens

Also Published As

Publication number Publication date
FR2418478B2 (fr) 1983-07-18

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