ES2155281T3 - Lente oftalmica multifocal. - Google Patents
Lente oftalmica multifocal.Info
- Publication number
- ES2155281T3 ES2155281T3 ES98402533T ES98402533T ES2155281T3 ES 2155281 T3 ES2155281 T3 ES 2155281T3 ES 98402533 T ES98402533 T ES 98402533T ES 98402533 T ES98402533 T ES 98402533T ES 2155281 T3 ES2155281 T3 ES 2155281T3
- Authority
- ES
- Spain
- Prior art keywords
- lens
- vision
- angle
- multifocal ophthalmic
- zone
- 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
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
- G02C7/065—Properties on the principal line
-
- 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
LA INVENCION SE REFIERE A UNA LENTE OFTALMICA MULTIFOCAL, QUE TIENE UNA SUPERFICIE ESFERICA (S) QUE PRESENTA EN CUALQUIER PUNTO UNA ESFERA MEDIA Y UN CILINDRO, Y QUE COMPRENDE UNA ZONA DE VISION DE LEJOS, UNA ZONA DE VISION DE CERCA, UNA ZONA DE VISION INTERMEDIA, UNA MERIDIANA PRINCIPAL DE PROGRESION QUE ATRAVIESA ESTAS TRES ZONAS. SEGUN LA INVENCION LA LONGITUD PRINCIPAL DE PROGRESION ES INFERIOR A 16 MM, Y LA ZONA DE VISION DE LEJOS ENGLOBA UN SECTOR ANGULAR QUE TIENE POR ORIGEN EL CENTRO GEOMETRICO DE LA LENTE Y UN ANGULO EN EL CENTRO SUPERIOR A 150°. ADEMAS LA ESFERA VARIA DE MANERA MONOTONA EN FUNCION DEL ANGULO EN UN CIRCULO DE RADIO DE 20 MM CENTRADO EN EL CENTRO GEOMETRICO DE LA LENTE, POR AMBAS PARTES DE LA MERIDIANA, COMO LO MUESTRA LA FIGURA. LA INVENCION GARANTIZA UNA BUENA DISTRIBUCION DE LAS LINEAS DE ISOCILINDRO Y DE ISOESFERA EN LA LENTE, Y ASI UNA GRAN SUAVIDAD DE LA LENTE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9712989A FR2769999B1 (fr) | 1997-10-16 | 1997-10-16 | Lentille ophtalmique multifocale |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2155281T3 true ES2155281T3 (es) | 2001-05-01 |
Family
ID=9512328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98402533T Expired - Lifetime ES2155281T3 (es) | 1997-10-16 | 1998-10-13 | Lente oftalmica multifocal. |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0911672B1 (es) |
JP (1) | JP3609632B2 (es) |
CN (1) | CN1163779C (es) |
AU (1) | AU737623B2 (es) |
BR (1) | BR9804424B1 (es) |
CA (1) | CA2250615C (es) |
DE (1) | DE69800622T2 (es) |
ES (1) | ES2155281T3 (es) |
FR (1) | FR2769999B1 (es) |
PT (1) | PT911672E (es) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6343861B1 (en) † | 1998-06-12 | 2002-02-05 | Sola International Holdings, Ltd. | Myopia lens |
FR2799010B1 (fr) | 1999-09-24 | 2003-06-06 | Essilor Int | Equipement visuel pour le controle de la distance de travail en vision de pres |
CN1815298B (zh) * | 1999-12-22 | 2014-03-12 | 埃塞罗国际公司 | 一种利用优化工艺定义一对渐变眼用眼镜片的方法 |
AU779467B2 (en) | 2000-04-25 | 2005-01-27 | Rodenstock Gmbh | Progressive spectacle glass with low rocking effect |
DE10121133B4 (de) | 2001-04-30 | 2005-04-07 | Rodenstock Gmbh | Verfahren zur Herstellung eines Brillenglases unter Berücksichtigung der optimalen, individuellen Progressionslänge |
DE10133617B4 (de) * | 2001-07-13 | 2008-01-03 | Rodenstock Gmbh | Progressives Brillenglas mit echter kurzer Progression |
FR2858693B1 (fr) | 2003-08-08 | 2005-10-28 | Essilor Int | Procede de determination d'une lentille ophtalmique utilisant une prescription d'astigmatisme en vision de loin et en vision de pres |
DE10349721A1 (de) * | 2003-10-23 | 2005-06-09 | Rodenstock Gmbh | Individueles Brillenglas |
FR2871248B1 (fr) * | 2004-06-03 | 2006-09-08 | Essilor Int | Lentille ophtalmique |
FR2884325B1 (fr) * | 2005-04-08 | 2007-06-01 | Essilor Int | Lentille ophtalmique |
FR2884622B1 (fr) | 2005-04-19 | 2007-08-10 | Essilor Int | Verre ophtalmique comprenant une couche d'indice de refraction variable |
FR2888344B1 (fr) | 2005-07-11 | 2007-09-14 | Essilor Int | Lentille ophtalmique |
FR2893151B1 (fr) | 2005-11-08 | 2008-02-08 | Essilor Int | Lentille ophtalmique. |
FR2894038B1 (fr) * | 2005-11-29 | 2008-03-07 | Essilor Int | Lentille ophtalmique. |
FR2895092B1 (fr) | 2005-12-16 | 2008-02-29 | Essilor Int | Procede de determination d'une lentille ophtalmique. |
AU2007223014B2 (en) * | 2006-03-08 | 2011-07-14 | Scientific Optics, Inc. | Method and apparatus for universal improvement of vision |
FR2924825B1 (fr) * | 2007-12-11 | 2010-08-20 | Essilor Int | Lentille ophtalmique progressive. |
CN102830503A (zh) * | 2012-07-26 | 2012-12-19 | 苏州苏大明世光学有限公司 | 一种通用型渐进多焦点镜片与模具 |
CN102768414B (zh) * | 2012-07-30 | 2013-09-25 | 上海理工大学 | 一种新型多光轴渐进多焦点镜片设计方法 |
US20150293377A1 (en) | 2012-10-26 | 2015-10-15 | Essilor International (Compagnie Generale D'optique) | Method for providing an optical lens |
CN103246083B (zh) * | 2013-05-29 | 2015-05-27 | 苏州科技学院 | 一种渐进多焦点眼用镜片及其制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2683642B1 (fr) * | 1991-11-12 | 1994-01-14 | Essilor Internal Cie Gle Optique | Lentille ophtalmique multifocale progressive. |
FR2699294B1 (fr) * | 1992-12-11 | 1995-02-10 | Essilor Int | Lentille ophtalmique multifocale progressive. |
FR2733328B1 (fr) * | 1995-04-21 | 1997-06-13 | Essilor Int | Lentille ophtalmique multifocale progressive |
-
1997
- 1997-10-16 FR FR9712989A patent/FR2769999B1/fr not_active Expired - Lifetime
-
1998
- 1998-10-13 PT PT98402533T patent/PT911672E/pt unknown
- 1998-10-13 DE DE1998600622 patent/DE69800622T2/de not_active Expired - Lifetime
- 1998-10-13 EP EP19980402533 patent/EP0911672B1/fr not_active Expired - Lifetime
- 1998-10-13 ES ES98402533T patent/ES2155281T3/es not_active Expired - Lifetime
- 1998-10-15 CA CA 2250615 patent/CA2250615C/en not_active Expired - Lifetime
- 1998-10-15 AU AU89347/98A patent/AU737623B2/en not_active Ceased
- 1998-10-16 JP JP29541498A patent/JP3609632B2/ja not_active Expired - Lifetime
- 1998-10-16 CN CNB981204295A patent/CN1163779C/zh not_active Expired - Lifetime
- 1998-10-16 BR BR9804424A patent/BR9804424B1/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1218198A (zh) | 1999-06-02 |
BR9804424A (pt) | 1999-11-03 |
AU737623B2 (en) | 2001-08-23 |
JP3609632B2 (ja) | 2005-01-12 |
CA2250615C (en) | 2007-07-24 |
AU8934798A (en) | 1999-05-06 |
EP0911672B1 (fr) | 2001-03-21 |
CA2250615A1 (en) | 1999-04-16 |
FR2769999B1 (fr) | 1999-12-31 |
PT911672E (pt) | 2001-06-29 |
FR2769999A1 (fr) | 1999-04-23 |
BR9804424B1 (pt) | 2012-02-07 |
DE69800622T2 (de) | 2001-06-28 |
CN1163779C (zh) | 2004-08-25 |
DE69800622D1 (de) | 2001-04-26 |
JPH11194308A (ja) | 1999-07-21 |
EP0911672A1 (fr) | 1999-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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