JP6016151B2 - 光学的に制御された周辺部分を有するレンズならびにレンズを設計および製造するための方法 - Google Patents
光学的に制御された周辺部分を有するレンズならびにレンズを設計および製造するための方法 Download PDFInfo
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- G—PHYSICS
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- 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
- G02C7/041—Contact lenses for the eyes bifocal; multifocal
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1602—Corrective lenses for use in addition to the natural lenses of the eyes or for pseudo-phakic eyes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
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- 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
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- 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
- G02C2202/24—Myopia progression prevention
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Description
「本発明は、周辺の網膜像(すなわち周辺視覚)が全体的な眼の長さの決定において主要な役割を果たし、周辺および合計の眼の成長を促進し、結果として、軸方向伸長、眼サイズの全体の増加および近視を生じさせる効果的な刺激であることを実証する、本発明者らの実験からの新しい学識に基づいている。」
と、記述している。Smithらは、「中央野の像の位置が中央網膜(すなわち窩)の近傍に位置付けられる一方、未矯正条件での普通よりも周辺網膜の前方(または前部)(すなわち、眼の角膜または前部に向かって)に位置付けられる周辺野の像の位置」を有する、視覚的な像を提供するための様々な方法および装置を開示している。Smithらは、この配置により、近視につながる眼軸方向伸長のための刺激が最小化または除去されることを開示している。
本発明に従い、レンズの周辺部分の度数プロフィールを制御することにより、コンタクトレンズまたは有水晶体IOCレンズの周辺部分に光学制御を提供する。通常、レンズの中央部分にも光学制御を提供するものの、本発明は、主としてレンズの周辺部分に関連するものであることから、レンズの中央部分の度数プロフィールについて、本発明が制限されることはない。中央および周辺部分の境界における本発明のレンズの度数プロフィールは、図3および4を参照しながら下記に詳細に記載するように、所望または選択した視覚矯正をレンズが提供することを確実にするために必須である一定の境界条件を満たす。
Claims (8)
- 周辺視覚像が眼の網膜に対して焦点を結ぶ位置を制御するためのソフトコンタクトレンズであって、
中心視覚像が眼の網膜に対して焦点を結ぶ位置を光学的に制御する度数プロフィールを有する、中央部分を通過する光線にわたって光学制御を提供する、少なくとも一つの光学ゾーンを有する中央部分と、
周辺視覚像が眼の網膜に対して焦点を結ぶ位置を光学的に制御する度数プロフィールを有する、周辺部分を通過する光線にわたって光学制御を提供する、少なくとも一つの光学ゾーンを有する周辺部分と、を含み、
中央部分が、ソフトコンタクトレンズの中心から外方向に中央部分の外周に向かい、3.5ミリメートル(mm)と4.0mmとの間である半径方向距離に延在し、周辺部分が、中央部分の外周が周辺部分に接する境界から周辺部分の外周まで、3.5mm〜4.0mmの半径方向距離に延在し、
中央部分の外周が周辺部分に接する境界において非連続的であり、関数の一次導関数を得ることができない、数学関数によって周辺部分の度数プロフィールが画定され、
中央部分の境界での度数プロフィールによって提供される光学度数と、周辺部分の境界での度数プロフィールによって提供される光学度数との相違が8.0ディオプター以内である、ソフトコンタクトレンズ。 - 中央部分の境界での度数プロフィールによって提供される光学度数と、周辺部分の境界での度数プロフィールによって提供される光学度数との相違が3.0ディオプター以内である、請求項1記載のソフトコンタクトレンズ。
- 数学関数が区分関数である、請求項1記載のソフトコンタクトレンズ。
- ソフトコンタクトレンズが人間の眼に装用されたとき、眼の成長の防止または抑制を助ける、周辺視覚像の近視的な焦点ずれを提供する、請求項1記載のソフトコンタクトレンズ。
- ソフトコンタクトレンズが人間の眼に装用されたとき、近視の作用を改善する、請求項1記載のソフトコンタクトレンズ。
- 眼の成長を防止または抑制することにより、近視を防止または抑制する、人間の眼に装用するソフトコンタクトレンズを製造するための方法であって、
設計するソフトコンタクトレンズの周辺部分のために度数プロフィールを選択する工程であって、周辺部分の度数プロフィールが、周辺視覚像が眼の網膜に対して焦点を結ぶ位置を光学的に制御し、ソフトコンタクトレンズが中央部分を有し、中央部分が、中心視覚像が眼の網膜に対して焦点を結ぶ位置を光学的に制御する度数プロフィールを有する、工程、および
中央部分および選択した度数プロフィールを有する周辺部分を有する、ソフトコンタクトレンズの設計を生成する工程、を含み、
中央部分が、ソフトコンタクトレンズの中心から外方向に中央部分の外周に向かい、3.5ミリメートル(mm)と4.0mmとの間である半径方向距離に延在し、周辺部分が、中央部分の外周が周辺部分に接する境界から周辺部分の外周まで、3.5mm〜4.0mmの半径方向距離に延在し、
中央部分の外周が周辺部分に接する境界において非連続的であり、関数の一次導関数を得ることができない、数学関数によって周辺部分の度数プロフィールが画定され、
中央部分の境界での度数プロフィールによって提供される光学度数と、周辺部分の境界での度数プロフィールによって提供される光学度数との相違が8.0ディオプター以内である、方法。 - さらに、ソフトコンタクトレンズ設計を有する前記人間の眼に装用するソフトコンタクトレンズまたは複数の前記人間の眼に装用するソフトコンタクトレンズを製造する工程を含む、請求項6記載の方法。
- 中央部分の境界での度数プロフィールによって提供される光学度数と、周辺部分の境界での度数プロフィールによって提供される光学度数との相違が3.0ディオプター以内である、請求項6記載の方法。
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Application Number | Priority Date | Filing Date | Title |
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US82879306P | 2006-10-10 | 2006-10-10 | |
US60/828,793 | 2006-10-10 | ||
US82905506P | 2006-10-11 | 2006-10-11 | |
US60/829,055 | 2006-10-11 | ||
PCT/US2007/080748 WO2008045847A2 (en) | 2006-10-10 | 2007-10-09 | A lens having an optically controlled peripheral portion and a method for designing and manufacturing the lens |
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JP2010506240A JP2010506240A (ja) | 2010-02-25 |
JP6016151B2 true JP6016151B2 (ja) | 2016-10-26 |
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US (2) | US20080084534A1 (ja) |
EP (2) | EP2084568A2 (ja) |
JP (1) | JP6016151B2 (ja) |
KR (2) | KR20090066292A (ja) |
CN (1) | CN101523271B (ja) |
CA (1) | CA2665642C (ja) |
HK (1) | HK1130907A1 (ja) |
SG (1) | SG175606A1 (ja) |
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WO2008045847A3 (en) | 2008-07-03 |
EP2629138A2 (en) | 2013-08-21 |
SG175606A1 (en) | 2011-11-28 |
US20110032474A1 (en) | 2011-02-10 |
EP2084568A2 (en) | 2009-08-05 |
CN101523271A (zh) | 2009-09-02 |
CN101523271B (zh) | 2012-07-04 |
HK1130907A1 (en) | 2010-01-08 |
CA2665642A1 (en) | 2008-04-17 |
US8770745B2 (en) | 2014-07-08 |
WO2008045847A2 (en) | 2008-04-17 |
EP2629138A3 (en) | 2013-10-23 |
KR20150015046A (ko) | 2015-02-09 |
US20080084534A1 (en) | 2008-04-10 |
KR20090066292A (ko) | 2009-06-23 |
CA2665642C (en) | 2016-08-09 |
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