JP4298515B2 - 偏心球体面を有するコンタクトレンズ - Google Patents
偏心球体面を有するコンタクトレンズ Download PDFInfo
- Publication number
- JP4298515B2 JP4298515B2 JP2003568458A JP2003568458A JP4298515B2 JP 4298515 B2 JP4298515 B2 JP 4298515B2 JP 2003568458 A JP2003568458 A JP 2003568458A JP 2003568458 A JP2003568458 A JP 2003568458A JP 4298515 B2 JP4298515 B2 JP 4298515B2
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- JP
- Japan
- Prior art keywords
- zone
- contact lens
- radius
- central optical
- spherical
- 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
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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
- G02C7/024—Methods of designing ophthalmic lenses
- G02C7/028—Special mathematical design techniques
-
- 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
- G02C7/04—Contact lenses for the eyes
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
- G02C2202/04—Lenses comprising decentered structures
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
- G02C2202/08—Series of lenses, lens blanks
Description
コンタクトレンズを美容及び視力矯正のための使用することができることは周知である。理想的なコンタクトレンズとは、長期間快適に装用されるだけでなく、時間及び労働において最小限のコストで容易に製造されるものである。
一つの実施態様では、本発明は、凸面及び凹面を含み、これらの面の一方又は両方が、a)非球体サブサーフェスである中央光学ゾーン、b)前記中央光学ゾーンに隣接する、回転対称偏心球体サブサーフェスである移行ゾーン、及びc)すべてが互いに対して正接する一以上の球体サブサーフェスを含む周辺ゾーンを含むコンタクトレンズを提供する。
図面を参照すると、コンタクトレンズ1は、凹面(又は背面)2、エッジ4で合流する凸面(又は前面)3及び凸面3の頂点を通過する軸5を有する。凸面3は、中央光学ゾーン11、移行ゾーン21、ブレンドゾーン31及び周辺ゾーン41を含む。
Claims (6)
- 凸面及び凹面を含み、これらの面の一方又は両方が、
a)頂点、
b)頂点を通過する軸、
c)非球体関数形yopz(x)で表される非球体サブサーフェスである中央光学ゾーンであって、前記中央光学ゾーンが、
d)前記中央光学ゾーンに隣接して取り囲む移行ゾーンであって、前記移行ゾーンは、曲率半径ra及び軸に位置しない曲率半径raの中心C(xc、yc)を有することを特徴とする回転対称偏心球体サブサーフェスであり、
前記曲率半径(ra)は、関数形(2)
曲率半径raの中心C(xc、yc)は、式(3)及び(4)
y′opz(xa)は、移行ゾーンと中央光学ゾーンとの接合点A(xa、ya)における非球面関数形(1)の一次導関数であり、y″opz(xa)は、接合点A(xa、ya)における非球面関数形(1)の二次導関数であり;
e)すべてが互いに対して接する一以上の球体サブサーフェスを含む周辺ゾーン
を含むコンタクトレンズ。 - 前記移行ゾーンと前記周辺ゾーンとの間にブレンドゾーンをさらに含む、請求項1記載のコンタクトレンズ。
- 前記コンタクトレンズがソフトコンタクトレンズである、請求項1記載のコンタクトレンズ。
- 前記周辺ゾーンが多重球体サブサーフェスを含み、二つの隣接する球体サブサーフェスの間にフィレットがある、請求項1記載のコンタクトレンズ。
- コンタクトレンズを製造する方法であって、凸面及び凹面を設ける工程を含み、
これらの面の一方又は両方が、
a)頂点、
b)頂点を通過する軸、
c)非球体関数形yopz(x)で表される非球体サブサーフェスである中央光学ゾーンであって、前記中央光学ゾーンが、
d)前記中央光学ゾーンに隣接して取り囲む移行ゾーンであって、前記移行ゾーンは、曲率半径ra及び軸に位置しない曲率半径raの中心C(xc、yc)を有することを特徴とする回転対称偏心球体サブサーフェスであり、
曲率半径(ra)は、関数形(2)
曲率半径raの中心C(xc、yc)は、式(3)及び(4)
y′opz(xa)は、移行ゾーンと中央光学ゾーンとの接合点A(xa、ya)における非球面関数形(1)の一次導関数であり、y″opz(xa)は、接合点A(xa、ya)における非球面関数形(1)の二次導関数であり;
e)すべてが互いに対して接する一以上の球体サブサーフェスを含む周辺ゾーン
を含む方法。 - 前記コンタクトレンズがソフトコンタクトレンズである、請求項5記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35695402P | 2002-02-14 | 2002-02-14 | |
PCT/EP2003/001448 WO2003069393A1 (en) | 2002-02-14 | 2003-02-13 | Contact lenses with off-center sphere surface |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005517976A JP2005517976A (ja) | 2005-06-16 |
JP2005517976A5 JP2005517976A5 (ja) | 2006-03-30 |
JP4298515B2 true JP4298515B2 (ja) | 2009-07-22 |
Family
ID=27734709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003568458A Expired - Lifetime JP4298515B2 (ja) | 2002-02-14 | 2003-02-13 | 偏心球体面を有するコンタクトレンズ |
Country Status (7)
Country | Link |
---|---|
US (1) | US6883915B2 (ja) |
EP (1) | EP1476783A1 (ja) |
JP (1) | JP4298515B2 (ja) |
AU (1) | AU2003218658A1 (ja) |
CA (1) | CA2471856C (ja) |
TW (1) | TW200400376A (ja) |
WO (1) | WO2003069393A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6773107B2 (en) * | 2000-08-17 | 2004-08-10 | Novartis Ag | Soft translating contact lens for presbyopia |
US20050041203A1 (en) * | 2003-08-20 | 2005-02-24 | Lindacher Joseph Michael | Ophthalmic lens with optimal power profile |
US8974526B2 (en) | 2007-08-27 | 2015-03-10 | Amo Groningen B.V. | Multizonal lens with extended depth of focus |
US20100053548A1 (en) * | 2008-08-28 | 2010-03-04 | Perez Jose L | Toric Contact Lenses |
CA2819629A1 (en) | 2010-12-01 | 2012-06-07 | Amo Groningen B.V. | A multifocal lens having an optical add power progression, and a system and method of providing same |
WO2017137839A1 (en) | 2016-02-09 | 2017-08-17 | Amo Groningen B.V. | Progressive power intraocular lens, and methods of use and manufacture |
US20190064543A1 (en) * | 2017-08-30 | 2019-02-28 | Johnson & Johnson Vision Care, Inc. | Atoric Surfaces to Minimize Secondary Astigmatism in Contact Lenses for the Correction of Astigmatism |
JP2022549903A (ja) * | 2019-09-25 | 2022-11-29 | エヌサルミック ホールディング ピーティーワイ リミテッド | 近視管理のためのコンタクトレンズソリューション |
US11886046B2 (en) | 2019-12-30 | 2024-01-30 | Amo Groningen B.V. | Multi-region refractive lenses for vision treatment |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB607641A (en) | 1946-02-09 | 1948-09-02 | Arthur James Forknall | Improvements in the construction of contact lenses for the eye |
DE1136846B (de) | 1958-10-06 | 1962-09-20 | Plastic Contact Lens Company | Bifokale Kontaktschale |
US4580882A (en) * | 1983-04-21 | 1986-04-08 | Benjamin Nuchman | Continuously variable contact lens |
IL77373A (en) * | 1985-12-18 | 1990-03-19 | Hanita Lenses | Contact lens |
US5404183A (en) * | 1993-03-31 | 1995-04-04 | Seidner; Leonard | Multifocal contact lens and method for preparing |
US5691797A (en) * | 1993-03-31 | 1997-11-25 | Permeable Technologies, Inc. | Multifocal contact lens |
US5684560A (en) * | 1995-05-04 | 1997-11-04 | Johnson & Johnson Vision Products, Inc. | Concentric ring single vision lens designs |
US6099121A (en) * | 1996-06-07 | 2000-08-08 | Bausch & Lomb Incorporated | Contact lens design |
US5815239A (en) * | 1996-12-05 | 1998-09-29 | Chapman; Judith E. | Contact lenses providing improved visual acuity |
US6457826B1 (en) * | 1998-08-06 | 2002-10-01 | John B. W. Lett | Multifocal aspheric lens |
US6270218B1 (en) * | 1998-10-26 | 2001-08-07 | Johnson & Johnson Vision Products, Inc. | Contact lenses with off-axis bevel |
US6183082B1 (en) * | 1998-12-21 | 2001-02-06 | Johnson & Johnson Vision Care, Inc. | Contact lenses with constant peripheral geometry |
US6206520B1 (en) * | 1999-03-25 | 2001-03-27 | Johnson & Johnson Vision Care, Inc. | Contact lenses with contoured edges |
ITMI991313A1 (it) | 1999-06-11 | 2000-12-11 | Gefran Sensori S R L | Trasduttore magnetostrittivo ad elevata precisione di misura |
US6419359B2 (en) * | 2000-04-11 | 2002-07-16 | James Alan Edwards | Surface design method |
CN1177243C (zh) * | 2000-06-27 | 2004-11-24 | 佳视科学公司 | 隐形眼镜,配制,设计及改变角膜形状的方法 |
-
2003
- 2003-02-11 US US10/364,736 patent/US6883915B2/en not_active Expired - Lifetime
- 2003-02-13 TW TW092102965A patent/TW200400376A/zh unknown
- 2003-02-13 CA CA2471856A patent/CA2471856C/en not_active Expired - Fee Related
- 2003-02-13 JP JP2003568458A patent/JP4298515B2/ja not_active Expired - Lifetime
- 2003-02-13 WO PCT/EP2003/001448 patent/WO2003069393A1/en active Application Filing
- 2003-02-13 AU AU2003218658A patent/AU2003218658A1/en not_active Abandoned
- 2003-02-13 EP EP03711888A patent/EP1476783A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA2471856C (en) | 2012-03-27 |
TW200400376A (en) | 2004-01-01 |
EP1476783A1 (en) | 2004-11-17 |
WO2003069393A1 (en) | 2003-08-21 |
AU2003218658A1 (en) | 2003-09-04 |
CA2471856A1 (en) | 2003-08-21 |
JP2005517976A (ja) | 2005-06-16 |
US6883915B2 (en) | 2005-04-26 |
US20030160941A1 (en) | 2003-08-28 |
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