JP6076599B2 - 眼を屈折矯正するための方法及び装置 - Google Patents
眼を屈折矯正するための方法及び装置 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0016—Operational features thereof
- A61B3/0025—Operational features thereof characterised by electronic signal processing, e.g. eye models
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/0285—Phoropters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/1015—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for wavefront analysis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/18—Arrangement of plural eye-testing or -examining apparatus
- A61B3/185—Arrangement of plural eye-testing or -examining apparatus characterised by modular construction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0228—Testing optical properties by measuring refractive power
-
- 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
- G02C7/022—Ophthalmic lenses having special refractive features achieved by special materials or material structures
-
- 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
- G02C7/027—Methods of designing ophthalmic lenses considering wearer's parameters
-
- 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
- G02C2202/22—Correction of higher order and chromatic aberrations, wave front measurement and calculation
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Description
図1は、本発明による眼の波面収差の他覚的測定、及び眼の焦点誤差の自覚的測定に基づく、眼の屈折矯正を決定するための改良された方法のフローチャートを示す。この改良された方法は、乱視のない最適な屈折矯正の製造を可能にし、正常なヒトの眼の大部分は、標準的な20/20の代わりに20/10の視力を達成することができる。
標準的な自覚屈折測定における制限により、今日の眼科用レンズは0.25Dの屈折力解像度で作成される。実際の眼鏡用レンズを用いた人の眼における乱視の矯正は、レンズが実際には弱い度数のレンズに対して+0.09Dから、強い度数のレンズに対して±0.37Dまでの範囲の、相対的に大きいトレランスを含んで作られるためにより複雑になる。さらに、乱視のないカスタマイズされた屈折矯正のための眼鏡用レンズはより進歩した技術を用いて作成されなければならない。
粗度数を有する2つの円環状面の円柱軸を調節することにより、よい解像度での屈折力を達成することができる。本発明によるとこの方法は、2つの表面のうちの1つが1つの方向ΦA1における主要な屈折力を有し、別の表面が異なる位置ΦA2におけるわずかなバイアス屈折力を有する2つの円環状面を必要とする。2つの円柱軸間の角度はαによって測定される。
「British standard for tolerances on optical properties of mounted spectacle lenses(BS 2738−1:1998)」において説明されたように、今日の眼鏡用レンズが0.25Dの粗解像度及び±0.09Dから±0.37Dまでの範囲の粗トレランスで製作されるために、現存する技術を用いて今日の研究室においては、乱視のない屈折矯正のためのカスタマイズされた眼鏡を製作することはできない。乱視のないカスタマイズされた屈折矯正のために高精度のレンズを作成する新規の方法が必要とされる。
他覚的波面屈折測定器によって眼における屈折力及び円柱軸を正確に測定することができるが、それでもなお、円柱矯正のためのレンズを作成する前に、円柱矯正を予備的に検査することが望ましい。
前述の方法による乱視のない屈折矯正を予備的に検査する方法は、フォロプターを有する波面収差計を用いることによって達成することができる。1つの実施形態においては、それらの高度なフォロプターは、眼の収差の迅速で他覚的な測定を提供するための波面検出モジュール;少なくとも焦点誤差、円柱軸及び0.25Dよりよい解像度、例えば0.025D、における屈折力を含む測定した収差を表示するための出力モジュール;眼の収差を測定する位置まで波面収差計を動かすための、及び、眼の別の測定を行うために眼の光軸から波面収差計を離すために動かすための機械的機構;複数の球面レンズ及び円柱レンズを用いて自覚的屈折を測定するためのフォロプターモジュールであって、球面収差及びコマなどの高次収差を修正することができなくてもよいフォロプターモジュール;及び、波面収差計の前記出力装置から得られた屈折力及び円柱軸を入力して乱視のない視力矯正を達成させるためのフォロプターモジュール中の機構、を含む場合がある。波面モジュールはまた、眼の全収差を測定し、そして測定した眼の収差由来の画像測定基準を提供する場合もある。
標準的な波面収差計は円柱誤差を高精度に決定するが、本発明による乱視のない屈折矯正には十分でない。これは、標準的な波面収差計は眼をその遠見調節作用点に設定するための球面調節力の信頼性のある測定を提供せず、及び他覚的屈折測定器において測定された円柱軸を自覚的屈折又は眼科用レンズ用のフォロプターにおける円柱軸に正確に関連づける機構を含まないためである。
本発明による改良されたフォロプターと波面収差計を用いた、乱視のないカスタマイズされた屈折矯正用の改良された自覚屈折測定方法を開示した。この方法は以下の工程を含む。第一に、人工の登録マークを人の顔に置く。第二に、他覚的屈折測定器を用いて、眼の焦点誤差、屈折力及び円柱軸の他覚的予測を得る。他覚的屈折から得られた調節力は、0.25Dの解像度及び0.25Dよりよい、例えば0.025Dの、解像度の屈折力を有する。他覚的屈折測定器は、好ましくは波面収差計である。第三に、他覚的屈折測定器を参考にした眼の位置情報を、顔に置かれた人工的なマークに基づいて保存する。第四に、フォロプターを用いた自覚的屈折を実施する前に、保存された眼の位置情報に基づいて、フォロプターにおいて検査を受けている眼の位置合わせ、又は確認を行う。第四に、光学機器製作者は他覚的屈折測定器から得られた屈折力及び円柱軸に一致した円柱矯正を入力する。第五に、入力した円柱矯正に加えて、複数の球面矯正を患者に提示する。遠見視力用の最適化した矯正を提供するために、他覚的に測定した焦点誤差の改良として、修正された調節力を得る。第六に、他覚的に決定した円柱屈折度数及び円柱軸と自覚的に修正した調節力とを組み合わせることによって、眼科用レンズ又は屈折矯正手術のための屈折処方を生成する。
Claims (8)
- 眼の屈折矯正のための眼科用レンズであって、
前記眼科用レンズの前面である第一の円環状面と
前記眼科用レンズの後面である第二の円環状面とを備え、
第一の円環状面が第一の屈折力を有し、第二の円環状面が第二の屈折力を有し、
前記第一の及び前記第二の円環状面の一方が主要な屈折力を有し、前記第一の及び前記第二の円環状面の別の一方が調整屈折力を有し、前記主要な屈折力および前記調整屈折力の組合せは全体の屈折力を達成し、前記調整屈折力が0.25D以下の非負量である、眼科用レンズ。 - 前記第一の屈折力の第一の円柱軸及び前記第二の屈折力の第二の円柱軸が、前記全体の屈折力を達成するように前記第一および第二の円柱軸の間の角度で方向づけられる、請求項1に記載の眼科用レンズ。
- 前記眼科用レンズが、第一の型および第二の型を用いてレンズを成形する過程によって製造され、前記第一および第二の型の各々は円環状面および円柱軸を有し、
前記第一および第二の型の前記円柱軸間の角度が、前記眼科用レンズの前記第一および第二の円柱軸の間の角度を達成するように制御される、請求項2に記載の眼科用レンズ。 - 前記第一の及び前記第二の円環状面が眼における球面収差を矯正するための球面収差を生じる、請求項1に記載の眼科用レンズ。
- 前記眼科用レンズが軸外視野の収差を低減するための非球面形を有するようにさらに構成される、請求項1に記載の眼科用レンズ。
- 前記眼科用レンズが二焦点レンズ又は累進多焦点レンズ用に構成される、請求項1に記載の眼科用レンズ。
- 前記主要な屈折力が、0.25Dから6Dまでの範囲の量であり、0.25D又は0.125Dのスケール間隔を有する、請求項1に記載の眼科用レンズ。
- 前記調整屈折力が0.025Dから0.25Dまでの範囲の量であり、0.025Dのスケール間隔を有する、請求項1に記載の眼科用レンズ。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20049408P | 2008-12-01 | 2008-12-01 | |
| US61/200,494 | 2008-12-01 | ||
| US20804509P | 2009-02-20 | 2009-02-20 | |
| US61/208,045 | 2009-02-20 | ||
| PCT/US2009/066148 WO2010065475A2 (en) | 2008-12-01 | 2009-11-30 | Methods and devices for refractive correction of eyes |
Related Child Applications (1)
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| JP2016078887A Division JP6381571B2 (ja) | 2008-12-01 | 2016-04-11 | フォロプター |
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| Publication Number | Publication Date |
|---|---|
| JP2012510642A JP2012510642A (ja) | 2012-05-10 |
| JP2012510642A5 JP2012510642A5 (ja) | 2016-11-10 |
| JP6076599B2 true JP6076599B2 (ja) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2011538720A Expired - Fee Related JP6076599B2 (ja) | 2008-12-01 | 2009-11-30 | 眼を屈折矯正するための方法及び装置 |
| JP2016078887A Expired - Fee Related JP6381571B2 (ja) | 2008-12-01 | 2016-04-11 | フォロプター |
| JP2016093776A Expired - Fee Related JP6276322B2 (ja) | 2008-12-01 | 2016-05-09 | 眼を屈折矯正するための方法及び装置 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2016078887A Expired - Fee Related JP6381571B2 (ja) | 2008-12-01 | 2016-04-11 | フォロプター |
| JP2016093776A Expired - Fee Related JP6276322B2 (ja) | 2008-12-01 | 2016-05-09 | 眼を屈折矯正するための方法及び装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (4) | US8419185B2 (ja) |
| EP (2) | EP3269296A1 (ja) |
| JP (3) | JP6076599B2 (ja) |
| CN (1) | CN102307514B (ja) |
| WO (1) | WO2010065475A2 (ja) |
Families Citing this family (70)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9649032B2 (en) | 2008-12-01 | 2017-05-16 | Perfect Vision Technology (Hk) Ltd. | Systems and methods for remote measurement of the eyes and delivering of sunglasses and eyeglasses |
| US9277863B2 (en) | 2008-12-01 | 2016-03-08 | Perfect Vision Technology (Hk) Ltd. | Methods and systems for automated measurement of the eyes and delivering of sunglasses and eyeglasses |
| JP6076599B2 (ja) | 2008-12-01 | 2017-02-08 | パーフェクト・ビジョン・テクノロジー・(ホンコン)・リミテッドPerfect Vision Technology (Hk) Ltd. | 眼を屈折矯正するための方法及び装置 |
| EP2624740A1 (en) * | 2010-10-06 | 2013-08-14 | Shamir Optical Industry Ltd | A vision prescription, measuring method and measuring apparatus, and a lens production method |
| WO2012054651A2 (en) * | 2010-10-20 | 2012-04-26 | Krypton Vision, Inc. | Methods and systems for customizing refractive corrections of human eyes |
| BR112014008266B1 (pt) | 2011-10-17 | 2021-09-28 | Carl Zeiss Vision International Gmbh | Método e sistema para determinar uma prescrição para uma pessoa |
| US10613347B2 (en) | 2012-01-11 | 2020-04-07 | Rodenstock Gmbh | Population of an eye model for optimizing spectacle lenses with measurement data |
| DE102012000390A1 (de) * | 2012-01-11 | 2013-07-11 | Rodenstock Gmbh | Brillenglasoptimierung mit individuellem Augenmodell |
| DE102017007974A1 (de) | 2017-01-27 | 2018-08-02 | Rodenstock Gmbh | Belegung eines Augenmodells zur Optimierung von Brillengläsern mit Messdaten |
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| AU2013206460A1 (en) * | 2012-06-27 | 2014-01-16 | Johnson & Johnson Vision Care, Inc. | Free form custom lens design manufacturing apparatus, system and business method |
| EP2890287B1 (en) | 2012-08-31 | 2020-10-14 | Amo Groningen B.V. | Multi-ring lens, systems and methods for extended depth of focus |
| EP2893393B1 (en) * | 2012-09-07 | 2019-07-24 | Essilor International | A method for manufacturing a semi-finished lens blank |
| US9072462B2 (en) * | 2012-09-27 | 2015-07-07 | Wavetec Vision Systems, Inc. | Geometric optical power measurement device |
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| EP2369972B1 (en) | 2017-06-07 |
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| WO2010065475A2 (en) | 2010-06-10 |
| US8827448B2 (en) | 2014-09-09 |
| JP6276322B2 (ja) | 2018-02-07 |
| JP6381571B2 (ja) | 2018-08-29 |
| US9826899B2 (en) | 2017-11-28 |
| EP2369972A2 (en) | 2011-10-05 |
| US8419185B2 (en) | 2013-04-16 |
| US20160242641A1 (en) | 2016-08-25 |
| JP2016180989A (ja) | 2016-10-13 |
| EP3269296A1 (en) | 2018-01-17 |
| WO2010065475A3 (en) | 2010-08-19 |
| US20130107202A1 (en) | 2013-05-02 |
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