FR844346A - Bi-visual glasses - Google Patents

Bi-visual glasses

Info

Publication number
FR844346A
FR844346A FR844346DA FR844346A FR 844346 A FR844346 A FR 844346A FR 844346D A FR844346D A FR 844346DA FR 844346 A FR844346 A FR 844346A
Authority
FR
France
Prior art keywords
visual glasses
glasses
visual
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
Other languages
French (fr)
Inventor
Camille Bajona
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
Application granted granted Critical
Publication of FR844346A publication Critical patent/FR844346A/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
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
FR844346D 1937-10-05 1938-10-05 Bi-visual glasses Expired FR844346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU844346X 1937-10-05

Publications (1)

Publication Number Publication Date
FR844346A true FR844346A (en) 1939-07-24

Family

ID=19734088

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844346D Expired FR844346A (en) 1937-10-05 1938-10-05 Bi-visual glasses

Country Status (1)

Country Link
FR (1) FR844346A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343258A (en) * 1993-02-01 1994-08-30 Lachman Leigh J Safety glasses
EP1181912A1 (en) * 1999-03-13 2002-02-27 Ekaterina Emmanuilovna Kugoeva Device for correcting low- and medium-grade myopia and for preventing accommodation stress
CN103293708A (en) * 2013-04-26 2013-09-11 中山市目明视光视力科技有限公司 Glasses

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343258A (en) * 1993-02-01 1994-08-30 Lachman Leigh J Safety glasses
EP1181912A1 (en) * 1999-03-13 2002-02-27 Ekaterina Emmanuilovna Kugoeva Device for correcting low- and medium-grade myopia and for preventing accommodation stress
EP1181912A4 (en) * 1999-03-18 2004-03-17 Ekaterina Emmanuilovna Kugoeva Device for correcting low- and medium-grade myopia and for preventing accommodation stress
CN103293708A (en) * 2013-04-26 2013-09-11 中山市目明视光视力科技有限公司 Glasses

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