ES2179100T3 - Gafas que utilizan lentes de longitud focal variable que tienen una periferia configurada de forma arbitraria. - Google Patents

Gafas que utilizan lentes de longitud focal variable que tienen una periferia configurada de forma arbitraria.

Info

Publication number
ES2179100T3
ES2179100T3 ES95916271T ES95916271T ES2179100T3 ES 2179100 T3 ES2179100 T3 ES 2179100T3 ES 95916271 T ES95916271 T ES 95916271T ES 95916271 T ES95916271 T ES 95916271T ES 2179100 T3 ES2179100 T3 ES 2179100T3
Authority
ES
Spain
Prior art keywords
membrane
glasses
lenses
focal length
liquid
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
ES95916271T
Other languages
English (en)
Inventor
Stephen Kurtin
Saul Epstein
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.)
Lane Res
Original Assignee
Lane Res
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 Lane Res filed Critical Lane Res
Application granted granted Critical
Publication of ES2179100T3 publication Critical patent/ES2179100T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/06—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of fluids in transparent cells
    • 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
    • G02C7/08—Auxiliary lenses; Arrangements for varying focal length
    • G02C7/081—Ophthalmic lenses with variable focal length
    • G02C7/085—Fluid-filled lenses, e.g. electro-wetting lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Eyeglasses (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Automatic Focus Adjustment (AREA)
  • Prostheses (AREA)

Abstract

SE PRESENTA UNA LENTE DE LONGITUD FOCAL VARIABLE CUYA FORMA PERIFERICA PUEDE SER ARBITRARIAMENTE ESPECIFICADA, PARA SU USO EN GAFAS, QUE INCLUYE UNA LENTE RIGIDA (12) PARA SUMINISTRAR LA CORRECCION DE DISTANCIA DEL USUARIO, Y UNA LENTE RELLENA DE LIQUIDO UNIDA POR UNA MEMBRANA ELASTOMERICA DISTENSIBLE EXTENDIDA (15) PARA SUMINISTRAR UN ADITAMENTO VARIABLE PARA CERCA. EL LIQUIDO (21), QUE TIENE UN VOLUMEN FIJO, ESTA ALMACENADO EN EL CAMPO DE VISION ENTRE LA MEMBRANA ELASTOMERICA Y LA LENTE RIGIDA. LA VARIACION DEL PODER OPTICO DE LA LENTE RELLENA DE LIQUIDO SE CONSIGUE MEDIANTE EL DESPLAZAMIENTO DE UN SOPORTE DE MEMBRANA AL CUAL SE SUJETA LA PERIFERIA EXTERIOR DE LA MEMBRANA ELASTOMERICA EXTENDIDA. LA FORMA DE LA MEMBRANA DISTENDIDA SE MANTIENE SUBSTANCIALMENTE ESFERICA, A PESAR DE QUE LA CIRCUNFERENCIA DE LA MEMBRANA NO ES CIRCULAR. ESTO SE REALIZA SOPORTANDO LA MEMBRANA SOBRE UN MIEMBRO DE SEPARACION TRANSPARENTE QUE TIENE SUBSTANCIALMENTE EL MISMO INDICE DE REFRACCION QUE EL LIQUIDO Y QUEINCLUYE UNA ABERTURA CIRCULAR QUE DEFINE UN AREA LIBRE DE LA MEMBRANA. UN PAR DE GAFAS ESTA COMPUESTO DE DOS LENTES DE LONGITUD FOCAL VARIABLE MONTADAS CON UNA MONTURA CON UN DISPOSITIVO DE ACCIONAMIENTO PARA AJUSTAR SUS LONGITUDES FOCALES MONTADO SOBRE LA MONTURA ENTRE LAS DOS LENTES.
ES95916271T 1994-04-12 1995-04-10 Gafas que utilizan lentes de longitud focal variable que tienen una periferia configurada de forma arbitraria. Expired - Lifetime ES2179100T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/226,344 US5668620A (en) 1994-04-12 1994-04-12 Variable focal length lenses which have an arbitrarily shaped periphery

Publications (1)

Publication Number Publication Date
ES2179100T3 true ES2179100T3 (es) 2003-01-16

Family

ID=22848569

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95916271T Expired - Lifetime ES2179100T3 (es) 1994-04-12 1995-04-10 Gafas que utilizan lentes de longitud focal variable que tienen una periferia configurada de forma arbitraria.

Country Status (12)

Country Link
US (1) US5668620A (es)
EP (1) EP0755526B1 (es)
JP (1) JP3252223B2 (es)
KR (1) KR100379662B1 (es)
CN (1) CN1044288C (es)
AT (1) ATE219839T1 (es)
AU (1) AU695199B2 (es)
CA (1) CA2185897C (es)
DE (1) DE69527200T2 (es)
ES (1) ES2179100T3 (es)
HK (1) HK1013685A1 (es)
WO (1) WO1995027912A1 (es)

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US7775660B2 (en) 1999-07-02 2010-08-17 E-Vision Llc Electro-active ophthalmic lens having an optical power blending region
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Also Published As

Publication number Publication date
CN1044288C (zh) 1999-07-21
EP0755526B1 (en) 2002-06-26
EP0755526A4 (en) 1997-10-22
US5668620A (en) 1997-09-16
KR100379662B1 (ko) 2003-07-18
AU2282895A (en) 1995-10-30
DE69527200T2 (de) 2003-02-06
WO1995027912A1 (en) 1995-10-19
CA2185897C (en) 2006-05-02
KR970702503A (ko) 1997-05-13
JP3252223B2 (ja) 2002-02-04
AU695199B2 (en) 1998-08-06
ATE219839T1 (de) 2002-07-15
EP0755526A1 (en) 1997-01-29
HK1013685A1 (en) 1999-09-03
JPH10502179A (ja) 1998-02-24
DE69527200D1 (de) 2002-08-01
CA2185897A1 (en) 1995-10-19
CN1146243A (zh) 1997-03-26

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