FR1359730A - Préforme pour lentille ophtalmique multifocale en matière organique - Google Patents

Préforme pour lentille ophtalmique multifocale en matière organique

Info

Publication number
FR1359730A
FR1359730A FR924784A FR924784A FR1359730A FR 1359730 A FR1359730 A FR 1359730A FR 924784 A FR924784 A FR 924784A FR 924784 A FR924784 A FR 924784A FR 1359730 A FR1359730 A FR 1359730A
Authority
FR
France
Prior art keywords
organic material
ophthalmic lens
multifocal ophthalmic
lens preform
preform
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
FR924784A
Other languages
English (en)
Inventor
Bernard Mignen
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.)
LENTILLES OPHTALMIQUES RATIONN
Original Assignee
LENTILLES OPHTALMIQUES RATIONN
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 LENTILLES OPHTALMIQUES RATIONN filed Critical LENTILLES OPHTALMIQUES RATIONN
Priority to FR924784A priority Critical patent/FR1359730A/fr
Priority to GB2057/64A priority patent/GB1038301A/en
Priority to US339265A priority patent/US3405995A/en
Application granted granted Critical
Publication of FR1359730A publication Critical patent/FR1359730A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00028—Bifocal lenses; Multifocal lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00932—Combined cutting and grinding thereof
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
FR924784A 1963-02-14 1963-02-14 Préforme pour lentille ophtalmique multifocale en matière organique Expired FR1359730A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR924784A FR1359730A (fr) 1963-02-14 1963-02-14 Préforme pour lentille ophtalmique multifocale en matière organique
GB2057/64A GB1038301A (en) 1963-02-14 1964-01-16 Improvements in or relating to the manufacture of multifocal ophthalmic lenses
US339265A US3405995A (en) 1963-02-14 1964-01-21 Preformed blank for multifocal lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR924784A FR1359730A (fr) 1963-02-14 1963-02-14 Préforme pour lentille ophtalmique multifocale en matière organique

Publications (1)

Publication Number Publication Date
FR1359730A true FR1359730A (fr) 1964-04-30

Family

ID=8797034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924784A Expired FR1359730A (fr) 1963-02-14 1963-02-14 Préforme pour lentille ophtalmique multifocale en matière organique

Country Status (3)

Country Link
US (1) US3405995A (fr)
FR (1) FR1359730A (fr)
GB (1) GB1038301A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127148A1 (de) * 1980-07-09 1982-04-15 Essilor International (Compagnie Générale d'Optique), 94028 Créteil, Val-de-Marne Augenlinse mit mehreren brennpunkten

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343891C2 (de) * 1983-12-05 1986-06-05 Optische Werke G. Rodenstock, 8000 München Mehrstärkenglas mit hohem positiven Brechwert
US4666446A (en) * 1986-05-06 1987-05-19 Koziol Jeffrey E Intraocular lens with converging and diverging optical portions
US4859261A (en) * 1988-05-11 1989-08-22 Ace Ronald S Method of making multi-focus ophthalmic lens
EP2878989B1 (fr) 2013-11-29 2020-11-04 Carl Zeiss Vision International GmbH Procédé de fabrication d'un verre de lunettes et verre de lunettes
FR3072872B1 (fr) * 2017-10-27 2021-12-31 Cutting Edge Implant optique intraoculaire multifocal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2209587A (en) * 1935-12-07 1940-07-30 American Optical Corp Ophthalmic lens
GB872811A (en) * 1957-01-09 1961-07-12 Combined Optical Ind Ltd Improvements in or relating to the shaping of lens preforms
FR1217892A (fr) * 1958-12-12 1960-05-06 Lentilles Ophtalmiques Special Perfectionnements aux lentilles bifocales

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127148A1 (de) * 1980-07-09 1982-04-15 Essilor International (Compagnie Générale d'Optique), 94028 Créteil, Val-de-Marne Augenlinse mit mehreren brennpunkten

Also Published As

Publication number Publication date
GB1038301A (en) 1966-08-10
US3405995A (en) 1968-10-15

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