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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- Prior art keywords
- lens
- progression
- variable focus
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- Prior art date
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- 208000001491 myopia Diseases 0.000 claims description 13
- 230000000750 progressive effect Effects 0.000 claims description 13
- 230000004438 eyesight Effects 0.000 claims description 12
- 230000004379 myopia Effects 0.000 claims description 11
- 206010020675 Hypermetropia Diseases 0.000 claims description 6
- 238000007620 mathematical function Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 12
- 238000004364 calculation method Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 8
- 230000004424 eye movement Effects 0.000 description 4
- 230000004305 hyperopia Effects 0.000 description 4
- 201000006318 hyperopia Diseases 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000004886 head movement Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000003542 behavioural effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000001179 pupillary effect Effects 0.000 description 1
- 230000001373 regressive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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
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)
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 |
---|---|---|---|
DE102004025712A DE102004025712A1 (de) | 2004-05-26 | 2004-05-26 | Gleitsichtlinse |
DE102004025712.4 | 2004-05-26 | ||
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 |
ES2081811T3 (es) * | 1988-07-20 | 1996-03-16 | Allen L Dr Cohen | Elemento optico difractivo multifocal. |
FR2699294B1 (fr) * | 1992-12-11 | 1995-02-10 | Essilor Int | Lentille ophtalmique multifocale progressive. |
ES2161873T3 (es) * | 1994-03-30 | 2001-12-16 | Rodenstock Optik G | Serie de cristales de gafas progresivas. |
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 EP EP05752516.4A patent/EP1749235B1/en active Active
- 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
Also Published As
Publication number | Publication date |
---|---|
US20070222943A1 (en) | 2007-09-27 |
DE102004025712A1 (de) | 2005-12-15 |
JP2008500570A (ja) | 2008-01-10 |
WO2005119346A1 (en) | 2005-12-15 |
EP1749235B1 (en) | 2016-11-16 |
US7712897B2 (en) | 2010-05-11 |
EP1749235A1 (en) | 2007-02-07 |
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