ES8605110A1 - Esbozo de lente para gafas para ojos afaquicos - Google Patents

Esbozo de lente para gafas para ojos afaquicos

Info

Publication number
ES8605110A1
ES8605110A1 ES532725A ES532725A ES8605110A1 ES 8605110 A1 ES8605110 A1 ES 8605110A1 ES 532725 A ES532725 A ES 532725A ES 532725 A ES532725 A ES 532725A ES 8605110 A1 ES8605110 A1 ES 8605110A1
Authority
ES
Spain
Prior art keywords
lens blank
anterior surface
eye
lens
spectacle 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
ES532725A
Other languages
English (en)
Other versions
ES532725A0 (es
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.)
C BRISTOL ALEXANDER
Original Assignee
C BRISTOL ALEXANDER
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 C BRISTOL ALEXANDER filed Critical C BRISTOL ALEXANDER
Publication of ES532725A0 publication Critical patent/ES532725A0/es
Publication of ES8605110A1 publication Critical patent/ES8605110A1/es
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
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/063—Shape of the progressive surface
    • G02C7/066—Shape, location or size of the viewing zones
    • 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)
  • Lenses (AREA)
  • Eyeglasses (AREA)

Abstract

PERFECCIONAMIENTOS EN LAS LENTES DE GAFAS ESPECIALES PARA OJO AFAQUICO. CONSISTENTES EN UN CUERPO DE LENTE (10) DIVIDIDO EN 6 ZONAS (30, 32, 34, 36, 38, 40), CONSTRUIDO DE UN MATERIAL TRANSPARENTE Y MOLDEADO A PARTIR DE UN PLASTICO TRANSPARENTE O CRISTAL, QUE INCLUYE UNA SUPERFICIE PLANA (12) Y UNA SUPERFICIE ANTERIOR CURVILINEA (14), ADAPTANDOSE EL CUERPO (10) DE MANERA QUE PUEDE SER COLOCADO A UNA DISTANCIA PREDETERMINADA (16) DELANTE DE UN OJO HUMANO (18); UN CENTRO GEOMETRICO Y OPTICO (20) Y UNA PERIFERIA EXTERIOR CIRCULAR (22), DONDE TODA LA SUPERFICIE ANTERIOR (14) ES ESFERICA DESDE SU CENTRO (20) HASTA SU PERIFERIA (22), Y SIENDO EL RADIO DE CURVATURA (R1 Y R2) DE LA SUPERFICIE ANTERIOR (14) PROPORCIONAL A LA DISTANCIA QUE MEDIA ENTRE EL OJO (18) Y LA SUPERFICIE ANTERIOR (14).
ES532725A 1984-03-08 1984-05-23 Esbozo de lente para gafas para ojos afaquicos Expired ES8605110A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/587,618 US4538887A (en) 1984-03-08 1984-03-08 Aspheric spectacle lens blank

Publications (2)

Publication Number Publication Date
ES532725A0 ES532725A0 (es) 1986-03-16
ES8605110A1 true ES8605110A1 (es) 1986-03-16

Family

ID=24350522

Family Applications (1)

Application Number Title Priority Date Filing Date
ES532725A Expired ES8605110A1 (es) 1984-03-08 1984-05-23 Esbozo de lente para gafas para ojos afaquicos

Country Status (7)

Country Link
US (1) US4538887A (es)
JP (1) JPS60189725A (es)
DE (1) DE3421439A1 (es)
ES (1) ES8605110A1 (es)
FR (1) FR2561004A1 (es)
GB (1) GB2155652B (es)
IT (1) IT1178980B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4895439A (en) * 1988-07-13 1990-01-23 Raymond Stoller Aspheric spectacle lens
US5054904A (en) * 1989-05-22 1991-10-08 Bristol Alexander C Aspheric lens blank
DE4107195A1 (de) * 1991-03-15 1992-09-10 Ishida Koki Seisakusho Co Auf kurzen und mittleren abstand aberrationsfreies brillenglas fuer alterssichtigkeit
JP3222528B2 (ja) * 1992-01-31 2001-10-29 旭光学工業株式会社 非球面眼鏡レンズ
US8042941B2 (en) * 2010-01-29 2011-10-25 Indizen Optical Technologies, S.I. Lens with continuous power gradation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB585913A (en) * 1941-12-02 1947-02-28 Howard Dwight Beach Improvements in multi-focal lenses for spectacles or eyeglasses
US4185897A (en) * 1977-09-09 1980-01-29 Frieder Philip M Prosthetic aspheric spectacle lens for aphakia
US4181409A (en) * 1978-10-16 1980-01-01 American Optical Corporation Aspheric lens series
GB2040491A (en) * 1978-12-29 1980-08-28 Frieder P M Spectacle Lenses or Lens Blanks for Aphakic Patients

Also Published As

Publication number Publication date
US4538887A (en) 1985-09-03
IT8467639A0 (it) 1984-06-22
GB2155652A (en) 1985-09-25
ES532725A0 (es) 1986-03-16
GB2155652B (en) 1987-01-21
IT8467639A1 (it) 1985-12-22
GB8412544D0 (en) 1984-06-20
DE3421439A1 (de) 1985-09-12
JPS60189725A (ja) 1985-09-27
FR2561004A1 (fr) 1985-09-13
IT1178980B (it) 1987-09-16

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