JP2015154948A - 目の視覚欠陥を外科的に矯正するための制御データを生成するための装置及び方法 - Google Patents
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Abstract
Description
BCOR(r,φ)=B1(r)+B2(φ)(加法分離手法)
Claims (9)
- 患者の目の視覚欠陥を外科的に矯正するためのレーザー治療装置を制御するように構成された制御データを生成するための方法であって、体積を除去するために角膜内に生成されることになると共に主入射方向に対して非回転対称である矯正面が予め決定され、
前記制御データは、動作中に前記レーザー治療装置が前記角膜内に切断面として前記矯正面を生成するような前記矯正面に基づいて生成され、
前記非回転対称である矯正面は、レーザー放射の主入射方向において視認されるときに円形である輪郭に合わせられる方法において、
前記矯正面のための移行エリアが設けられ、該移行エリアにおいて、前記矯正面は、前記主入射方向に対して非回転対称形から回転対称である端部に合わせられ、
該回転対称である端部は円形であると共に平面内に存在し、該平面は、前記主入射方向に対して垂直であり、かつ、前記主入射方向に対して、前記矯正面の最も前方の点よりも前方にはなく、かつ最も後方の点よりも後方にはないことを特徴とする方法。 - 前記レーザー治療装置は、前記主入射方向に沿って前記目の前記角膜内に前記レーザー放射を合焦させると共に前記角膜内のレーザー焦点の位置をシフトするように構成され、
前記回転対称である端部が画定され、
前記制御データは、前記レーザー焦点がある経路に沿ってシフトされることになる該経路を画定するように生成され、該経路は、前記予め決定された矯正面内にあると共に、前記予め決定された矯正面の中心から前記予め決定された矯正面の端部まで螺旋状に延在し、
前記螺旋状の経路の各回転時に、前記予め決定された矯正面の端部と前記回転対称である端部との間の距離が、所定の関数に従って、好ましくは線形に減少するように、前記制御データは、前記移行エリアにおいて前記螺旋状の経路を延長することを特徴とする、請求項1に記載の方法。 - 前記移行エリアは平坦な面として構成され、該平坦な面は、前記主入射方向に対して垂直に位置すると共に前記矯正面上に接合し、これを円形輪郭に完成させることを特徴とする、請求項1に記載の方法。
- 前記レーザー治療装置は、前記主入射方向に沿って前記目の前記角膜内に前記レーザー放射を合焦させると共に前記角膜内のレーザー焦点の位置をシフトするように構成され、
前記制御データは、前記レーザー焦点がある経路に沿ってシフトされることになる該経路を決定するように生成され、該経路は、前記予め決定された矯正面内にあると共に、前記予め決定された矯正面の中心から前記予め決定された矯正面の端部まで螺旋状に延在し、
前記移行エリアにおいて、前記経路は、前記平坦な面内に存在する螺旋として、又は同心円として形成され、前記制御データは、前記主入射方向に沿って見るときに前記矯正面と重なり合うことになる前記平坦な面内に存在する螺旋又は同心円の部分のために、その処理効果に関して前記レーザー放射を非活性化することを特徴とする、請求項3に記載の方法。 - 患者の目の視覚欠陥を外科的に矯正するためのレーザー治療装置を制御するように構成された制御データを生成するための装置であって、ある体積を除去するために角膜内に切断面として生成されることになると共にレーザー放射の主入射方向に対して非回転対称である矯正面が予め決定され、
前記装置は、動作中に前記レーザー治療装置が前記角膜内に前記矯正面を生成するような該矯正面に基づいて前記制御データを生成し、
前記制御データを生成するときに、前記非回転対称である矯正面を、前記レーザー放射の前記主入射方向において視認されるときに円形である輪郭に合わせる装置において、
前記制御データを生成するときに、前記装置は、前記矯正面のための移行エリアを提供し、該移行エリアにおいて、前記矯正面は、前記主入射方向に対して前記非回転対称形から回転対称である端部に合わせられ、
該回転対称である端部は円形であると共に平面内に存在し、該平面は、前記主入射方向に対して垂直であり、かつ、前記主入射方向に対して、前記矯正面の最も前方の点よりも前方にはなく、かつ最も後方の点よりも後方にはないことを特徴とする装置。 - 前記レーザー治療装置は、前記主入射方向に沿って前記目の前記角膜内に前記レーザー放射を合焦させると共に前記角膜内のレーザー焦点の位置をシフトするように構成され、
前記制御データを生成するときに、前記装置は前記回転対称である端部を画定し、
前記装置は、前記レーザー焦点がある経路に沿ってシフトされることになる該経路を画定する前記制御データを生成し、前記経路は、前記予め決定された矯正面内にあると共に前記予め決定された矯正面の中心から前記予め決定された矯正面の端部まで螺旋状に延在し、
前記螺旋状の経路の各回転時に、前記予め決定された矯正面の前記端部と前記回転対称である端部との間の距離が所定の関数に従って、好ましくは線形に減少するように、前記制御データは前記螺旋状の経路を延長することを特徴とする、請求項5に記載の装置。 - 前記制御データを生成中に、前記装置は、平坦な面として前記移行エリアを画定し、該平坦な面は、前記主入射方向に対して垂直に存在すると共に前記矯正面上に接合し、これを円形輪郭に完成させることを特徴とする、請求項5に記載の装置。
- 前記レーザー治療装置は、前記主入射方向に沿って前記目の前記角膜内にレーザー放射を合焦させると共に前記角膜内のレーザー焦点の位置をシフトするように構成され、
前記装置は、前記レーザー焦点がある経路に沿ってシフトされることになる該経路を画定する前記制御データを生成し、前記経路は、前記予め決定された矯正面内にあると共に前記予め決定された矯正面の中心から前記予め決定された矯正面の端部まで螺旋状に延在し、
前記装置は、前記移行エリアにおいて、前記平坦な面内に存在する螺旋状の経路として、又は同心円として前記経路を画定するように前記制御データを生成し、前記制御データは、前記主入射方向に沿って見るときに前記矯正面と重なり合うことになる前記平坦な面内に存在する螺旋又は同心円の部分のために、その処理効果に関して前記レーザー放射を非活性化することを特徴とする、請求項7に記載の装置。 - コンピュータ上で実行されるときに請求項1〜4のいずれか一項に記載の方法を実行するプログラムコードを有するコンピュータプログラム製品。
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DE102009005482A DE102009005482A1 (de) | 2009-01-21 | 2009-01-21 | Vorrichtung und Verfahren zum Erzeugen von Steuerdaten zur operativen Fehlsichtigkeitskorrektur eines Auges |
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US (6) | US9050172B2 (ja) |
EP (4) | EP2389148B1 (ja) |
JP (2) | JP6025331B2 (ja) |
CN (1) | CN102292055B (ja) |
DE (1) | DE102009005482A1 (ja) |
DK (1) | DK2389148T3 (ja) |
ES (1) | ES2670408T3 (ja) |
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EP3925584A1 (de) | 2021-12-22 |
PT2389148T (pt) | 2018-06-08 |
ES2670408T3 (es) | 2018-05-30 |
US11413189B2 (en) | 2022-08-16 |
EP2389148A2 (de) | 2011-11-30 |
JP2012515586A (ja) | 2012-07-12 |
DK2389148T3 (en) | 2018-06-14 |
DE102009005482A1 (de) | 2010-07-22 |
US20150305928A1 (en) | 2015-10-29 |
US20120035598A1 (en) | 2012-02-09 |
US20190247225A1 (en) | 2019-08-15 |
CN102292055B (zh) | 2013-12-18 |
WO2010084162A2 (de) | 2010-07-29 |
CN102292055A (zh) | 2011-12-21 |
PL2389148T3 (pl) | 2018-08-31 |
EP3363416A1 (de) | 2018-08-22 |
JP6025331B2 (ja) | 2016-11-16 |
JP6419632B2 (ja) | 2018-11-07 |
US20120016351A1 (en) | 2012-01-19 |
EP2389147A1 (de) | 2011-11-30 |
US20230000672A1 (en) | 2023-01-05 |
WO2010084163A1 (de) | 2010-07-29 |
EP2389147B1 (de) | 2017-04-12 |
US10828197B2 (en) | 2020-11-10 |
EP2389148B1 (de) | 2018-03-07 |
US9050172B2 (en) | 2015-06-09 |
US10179069B2 (en) | 2019-01-15 |
EP3363416B1 (de) | 2021-08-11 |
EP3925584B1 (de) | 2024-10-09 |
WO2010084162A3 (de) | 2010-12-02 |
US12076275B2 (en) | 2024-09-03 |
US20210121323A1 (en) | 2021-04-29 |
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