JP5057229B2 - 可変焦点レンズ - Google Patents
可変焦点レンズ Download PDFInfo
- Publication number
- JP5057229B2 JP5057229B2 JP2007513802A JP2007513802A JP5057229B2 JP 5057229 B2 JP5057229 B2 JP 5057229B2 JP 2007513802 A JP2007513802 A JP 2007513802A JP 2007513802 A JP2007513802 A JP 2007513802A JP 5057229 B2 JP5057229 B2 JP 5057229B2
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- JP
- Japan
- Prior art keywords
- lens
- progression
- variable focus
- reference point
- point
- 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.)
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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
- G02C7/024—Methods of designing ophthalmic lenses
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Description
x0(y)=b”+a”−a”:(1+ec(y+d))、ここで、係数は、2<a”<4、3mm;0、03<b”<0mm;−0、4<c<−0、3mm−1;4、5<d<5、1mmである。
Heinz Diepes,Ralf Blendowske著、「Optik und Technik der Brille」Optische Fachveroffentlichung社出版、2002年
本発明のさらなる目的は、生理学的に適合し、費用効率の高い、効率的な方法で設計および作製が可能である可変焦点レンズ、あるいは可変焦点レンズグループのそれぞれを提供することである。本発明によれば、これらの目的は、製法限定請求項はもちろん独立請求項で説明される方法および可変焦点レンズによって解決され、好適な実施形態は独立請求項の主題である。
Claims (1)
- プログレッシブ可変焦点レンズであって、前記レンズのx/y平面内に設けられた遠視基準点を含む遠視領域、前記レンズのx/y平面内に設けられた近視基準点を含む近視領域、および前記レンズの中心点を含む中間プログレッション領域を有し、前記近視基準点および前記遠視基準点を通過する前記レンズのプログレッションの主経線は、前記遠視基準点と前記中心点との間の閉区間における第1の点と、前記近視基準点と、の間において数学関数M(y)に従い、
前記関数M(y)は、区間[0、π/2]のy座標のSin二乗関数に従うことを特徴とするプログレッシブ可変焦点レンズ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004025712.4 | 2004-05-26 | ||
DE102004025712A DE102004025712A1 (de) | 2004-05-26 | 2004-05-26 | Gleitsichtlinse |
PCT/EP2005/005675 WO2005119346A1 (en) | 2004-05-26 | 2005-05-25 | Varifocal lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008500570A JP2008500570A (ja) | 2008-01-10 |
JP5057229B2 true JP5057229B2 (ja) | 2012-10-24 |
Family
ID=34970654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007513802A Active JP5057229B2 (ja) | 2004-05-26 | 2005-05-25 | 可変焦点レンズ |
Country Status (5)
Country | Link |
---|---|
US (1) | US7712897B2 (ja) |
EP (1) | EP1749235B1 (ja) |
JP (1) | JP5057229B2 (ja) |
DE (1) | DE102004025712A1 (ja) |
WO (1) | WO2005119346A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2910645B1 (fr) * | 2006-12-22 | 2009-07-03 | Essilor Int | Procede de determination d'une lentille ophtalmique. |
FR2920888B1 (fr) * | 2007-09-12 | 2010-10-15 | Essilor Int | Realisation d'un verre ophtalmique destine a un porteur |
JP6396880B2 (ja) * | 2015-12-03 | 2018-09-26 | 伊藤光学工業株式会社 | 累進屈折力レンズ群の設計方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3623800A (en) * | 1969-10-16 | 1971-11-30 | David Volk | Ophthalmic lens of changing power |
JPS5942286B2 (ja) * | 1979-08-24 | 1984-10-13 | セイコーエプソン株式会社 | 眼鏡レンズ |
FR2495789B1 (fr) | 1980-12-05 | 1986-02-14 | Suwa Seikosha Kk | Lentille multifocale progressive |
GB2146791B (en) * | 1983-09-16 | 1987-01-28 | Suwa Seikosha Kk | Progressive multifocal ophthalmic lens |
AU622420B2 (en) * | 1988-07-20 | 1992-04-09 | Allen L. Cohen | Multifocal optical device |
FR2699294B1 (fr) * | 1992-12-11 | 1995-02-10 | Essilor Int | Lentille ophtalmique multifocale progressive. |
AU688023B2 (en) * | 1994-03-30 | 1998-03-05 | Rodenstock Gmbh | Set of progressive spectacle lenses |
AU710343B2 (en) | 1994-10-29 | 1999-09-16 | Rodenstock Gmbh | Series for progressive spectacle lenses |
US6199984B1 (en) | 1999-03-17 | 2001-03-13 | Johnson & Johnson Vision Care, Inc. | Progressive addition lenses with varying power profiles |
US6474814B1 (en) * | 2000-09-08 | 2002-11-05 | Florida Optical Engineering, Inc | Multifocal ophthalmic lens with induced aperture |
US6520638B1 (en) * | 2001-08-14 | 2003-02-18 | Johnson & Johnson Vision Care, Inc. | Methods for designing multifocal ophthalmic lenses |
US7063422B2 (en) | 2003-04-16 | 2006-06-20 | Novartis Ag | Multifocal ophthalmic lens |
-
2004
- 2004-05-26 DE DE102004025712A patent/DE102004025712A1/de not_active Ceased
-
2005
- 2005-05-25 JP JP2007513802A patent/JP5057229B2/ja active Active
- 2005-05-25 US US11/569,542 patent/US7712897B2/en active Active
- 2005-05-25 WO PCT/EP2005/005675 patent/WO2005119346A1/en active Application Filing
- 2005-05-25 EP EP05752516.4A patent/EP1749235B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US7712897B2 (en) | 2010-05-11 |
JP2008500570A (ja) | 2008-01-10 |
WO2005119346A1 (en) | 2005-12-15 |
EP1749235A1 (en) | 2007-02-07 |
EP1749235B1 (en) | 2016-11-16 |
US20070222943A1 (en) | 2007-09-27 |
DE102004025712A1 (de) | 2005-12-15 |
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