FR1294335A - Perfectionnements aux lentilles ophtalmiques multifocales - Google Patents

Perfectionnements aux lentilles ophtalmiques multifocales

Info

Publication number
FR1294335A
FR1294335A FR858874A FR858874A FR1294335A FR 1294335 A FR1294335 A FR 1294335A FR 858874 A FR858874 A FR 858874A FR 858874 A FR858874 A FR 858874A FR 1294335 A FR1294335 A FR 1294335A
Authority
FR
France
Prior art keywords
enhancements
ophthalmic lens
multifocal ophthalmic
multifocal
lens
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
FR858874A
Other languages
English (en)
Inventor
Georges Lissac
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 FR858874A priority Critical patent/FR1294335A/fr
Priority to BE614265A priority patent/BE614265A/fr
Priority to ES0275045A priority patent/ES275045A1/es
Priority to LU41381D priority patent/LU41381A1/xx
Application granted granted Critical
Publication of FR1294335A publication Critical patent/FR1294335A/fr
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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR858874A 1961-04-15 1961-04-15 Perfectionnements aux lentilles ophtalmiques multifocales Expired FR1294335A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR858874A FR1294335A (fr) 1961-04-15 1961-04-15 Perfectionnements aux lentilles ophtalmiques multifocales
BE614265A BE614265A (fr) 1961-04-15 1962-02-22 Perfectionnements aux lentilles ophtalmiques multifocales
ES0275045A ES275045A1 (es) 1961-04-15 1962-02-28 Perfeccionamientos en las lentes oftalmicas multifocales
LU41381D LU41381A1 (fr) 1961-04-15 1962-03-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858874A FR1294335A (fr) 1961-04-15 1961-04-15 Perfectionnements aux lentilles ophtalmiques multifocales

Publications (1)

Publication Number Publication Date
FR1294335A true FR1294335A (fr) 1962-05-26

Family

ID=8753143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858874A Expired FR1294335A (fr) 1961-04-15 1961-04-15 Perfectionnements aux lentilles ophtalmiques multifocales

Country Status (4)

Country Link
BE (1) BE614265A (fr)
ES (1) ES275045A1 (fr)
FR (1) FR1294335A (fr)
LU (1) LU41381A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247179A (en) * 1978-01-25 1981-01-27 Carl Zeiss-Stiftung Multifocal spectacle lens

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4869588A (en) * 1987-09-14 1989-09-26 Opticorp, Inc. Non-progressive multifocal ophthamic lenses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247179A (en) * 1978-01-25 1981-01-27 Carl Zeiss-Stiftung Multifocal spectacle lens

Also Published As

Publication number Publication date
ES275045A1 (es) 1962-06-16
BE614265A (fr) 1962-06-18
LU41381A1 (fr) 1962-05-14

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