ES2068529T3 - Procedimiento para facilitar la realizacion de una lente oftalmica progresiva y lente oftalmica progresiva correspondiente. - Google Patents

Procedimiento para facilitar la realizacion de una lente oftalmica progresiva y lente oftalmica progresiva correspondiente.

Info

Publication number
ES2068529T3
ES2068529T3 ES91401055T ES91401055T ES2068529T3 ES 2068529 T3 ES2068529 T3 ES 2068529T3 ES 91401055 T ES91401055 T ES 91401055T ES 91401055 T ES91401055 T ES 91401055T ES 2068529 T3 ES2068529 T3 ES 2068529T3
Authority
ES
Spain
Prior art keywords
progressive ophthalmic
ophthalmic lens
zone
central zone
front face
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 - Lifetime
Application number
ES91401055T
Other languages
English (en)
Inventor
Jean-Pierre Chauveau
Jean-Paul Deforges
Christian Harsigny
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.)
EssilorLuxottica SA
Original Assignee
Essilor International Compagnie Generale dOptique SA
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 Essilor International Compagnie Generale dOptique SA filed Critical Essilor International Compagnie Generale dOptique SA
Application granted granted Critical
Publication of ES2068529T3 publication Critical patent/ES2068529T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/063—Shape of the progressive surface
    • 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
    • G02C7/061—Spectacle lenses with progressively varying focal power

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)
  • Prostheses (AREA)

Abstract

SE TRATA DE UNA LENTE OFTALMICA PROGRESIVA CUYA CARA DELANTERA (11) POR EJEMPLO COMPRENDE, EN CONTINUO, POR UNA PARTE, UNA ZONA CENTRAL (14) QUE, PRESENTANDO UNA CURVATURA PROGRESIVAMENTE VARIABLE SIGUIENDO UNA PARTE AL MENOS DE AL MENOS UN MERIDIANO, ES LA ZONA OPTICAMENTE UTIL, Y POR OTRA PARTE, RODEANDO ESTA ZONA CENTRAL (14), UNA ZONA PERIFERICA DE ACOPLAMIENTO (15) QUE SE ACOPLA TANGENCIALMENTE A ESTA. SEGUN LA INVENCION, LA ZONA CENTRAL OPTICAMENTE UTIL (14) DE ESTA CARA DELANTERA (11A) ESTA DELIMITADA POR UNA CURVA CERRADA QUE EN PROYECCION SOBRE UN PLANO PERPENDICULAR AL EJE GEOMETRICO DEL CONJUNTO, ES GLOBALMENTE DE FORMA OVALADA, Y EL RADIO DE CURVATURA DE LA SECCION RADIAL DE SU ZONA PERIFERICA DE ACOPLAMIENTO (15) VARIA CIRCUNFERENCIALMENTE EN VALOR Y/O EN SIGNO, DE MANERA QUE A LO LARGO DE BORDE PERIFERICO (13), LA LENTE ES GLOBALMENTE DEL MISMO ESPESOR. APLICACION EN LA OBTENCION DE LENTES OFTALMICAS PROGRESIVAS MAS FACILES DE REALIZAR, MAS ESTETICAS Y MAS LIGERAS.
ES91401055T 1990-04-25 1991-04-22 Procedimiento para facilitar la realizacion de una lente oftalmica progresiva y lente oftalmica progresiva correspondiente. Expired - Lifetime ES2068529T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9005277A FR2661519B1 (fr) 1990-04-25 1990-04-25 Procede pour faciliter la realisation d'une lentille ophtalmique progressive, et lentille(s) ophtalmique(s) progressive(s) correspondante(s).

Publications (1)

Publication Number Publication Date
ES2068529T3 true ES2068529T3 (es) 1995-04-16

Family

ID=9396078

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91401055T Expired - Lifetime ES2068529T3 (es) 1990-04-25 1991-04-22 Procedimiento para facilitar la realizacion de una lente oftalmica progresiva y lente oftalmica progresiva correspondiente.

Country Status (9)

Country Link
US (1) US5235359A (es)
EP (1) EP0454554B1 (es)
JP (1) JPH07248475A (es)
AT (1) ATE115740T1 (es)
AU (1) AU638570B2 (es)
CA (1) CA2040523C (es)
DE (1) DE69105806T2 (es)
ES (1) ES2068529T3 (es)
FR (1) FR2661519B1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3619264B2 (ja) * 1994-08-22 2005-02-09 ペンタックス株式会社 累進多焦点レンズ、およびその成形型
US5724120A (en) * 1995-10-02 1998-03-03 Svochak; Jan B. Multifocal contact lens and method and apparatus for making the same
US5812237A (en) * 1995-11-27 1998-09-22 Roddy; Kenneth C. Ophthalmic no-line progressive addition lenses
EP1147448A4 (en) 1998-12-16 2008-12-10 Novartis Ag MULTIFOCAL CONTACT LENSES WITH ASPHERIC SURFACES
ES2200709B1 (es) * 2002-08-23 2005-05-01 Reyes Lopez Hernandez Lente progresiva.
DE10251146A1 (de) * 2002-10-31 2004-06-03 Schott Glas Fertigungslinie zur Herstellung beschichteter, gewölbter Substrate
KR100900090B1 (ko) * 2007-07-10 2009-05-28 주식회사 드림옵티칼 누진 다초점 렌즈용 볼록 유리 몰드

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE557424A (es) *
CH354269A (fr) * 1956-10-06 1961-05-15 Saint Gobain Lentille optique
BE755907A (fr) * 1969-09-11 1971-02-15 Lunetiers Lentilles a puissance focale progressive
FR2329427A1 (fr) * 1975-10-30 1977-05-27 Essilor Int Procede pour la realisation d'une lentille ophtalmique a puissance focale progressivement variable, et palet semi-fini formant un produit intermediaire dans ce procede
FR2344042A1 (fr) * 1976-03-10 1977-10-07 Volk David Lentille ophtalmique pour presbytie et aphakie
FR2481813A1 (fr) * 1980-04-30 1981-11-06 Essilor Int Lentille ophtalmique progressive
DE3116524C2 (de) * 1981-02-09 1993-06-24 AO Inc., Southbridge, Mass. Brillenglas, insbesondere zur Korrektion von Presbyopie
US4514061A (en) * 1981-04-02 1985-04-30 American Optical Corporation Progressive power ophthalmic lenses
DE3229577A1 (de) * 1982-08-07 1984-02-09 Fa. Carl Zeiss, 7920 Heidenheim Brillenlinse fuer stark fehlsichtige

Also Published As

Publication number Publication date
FR2661519A1 (fr) 1991-10-31
JPH07248475A (ja) 1995-09-26
CA2040523A1 (fr) 1991-10-26
EP0454554B1 (fr) 1994-12-14
DE69105806T2 (de) 1995-04-20
CA2040523C (fr) 1995-06-27
ATE115740T1 (de) 1994-12-15
AU638570B2 (en) 1993-07-01
US5235359A (en) 1993-08-10
EP0454554A1 (fr) 1991-10-30
DE69105806D1 (de) 1995-01-26
AU7530191A (en) 1991-11-07
FR2661519B1 (fr) 1992-07-31

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