BE614265A - Perfectionnements aux lentilles ophtalmiques multifocales - Google Patents

Perfectionnements aux lentilles ophtalmiques multifocales

Info

Publication number
BE614265A
BE614265A BE614265A BE614265A BE614265A BE 614265 A BE614265 A BE 614265A BE 614265 A BE614265 A BE 614265A BE 614265 A BE614265 A BE 614265A BE 614265 A BE614265 A BE 614265A
Authority
BE
Belgium
Prior art keywords
enhancements
ophthalmic lens
multifocal ophthalmic
multifocal
lens
Prior art date
Application number
BE614265A
Other languages
English (en)
Inventor
Georges Lissac
Original Assignee
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 by Georges Lissac filed Critical Georges Lissac
Publication of BE614265A publication Critical patent/BE614265A/fr

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)
BE614265A 1961-04-15 1962-02-22 Perfectionnements aux lentilles ophtalmiques multifocales BE614265A (fr)

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
BE614265A true BE614265A (fr) 1962-06-18

Family

ID=8753143

Family Applications (1)

Application Number Title Priority Date Filing Date
BE614265A BE614265A (fr) 1961-04-15 1962-02-22 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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2803047C2 (de) * 1978-01-25 1983-07-14 Fa. Carl Zeiss, 7920 Heidenheim Mehrstärken-Brillenlinse
US4869588A (en) * 1987-09-14 1989-09-26 Opticorp, Inc. Non-progressive multifocal ophthamic lenses

Also Published As

Publication number Publication date
ES275045A1 (es) 1962-06-16
LU41381A1 (fr) 1962-05-14
FR1294335A (fr) 1962-05-26

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