JP3010072B2 - 角膜形状測定装置 - Google Patents

角膜形状測定装置

Info

Publication number
JP3010072B2
JP3010072B2 JP7522013A JP52201395A JP3010072B2 JP 3010072 B2 JP3010072 B2 JP 3010072B2 JP 7522013 A JP7522013 A JP 7522013A JP 52201395 A JP52201395 A JP 52201395A JP 3010072 B2 JP3010072 B2 JP 3010072B2
Authority
JP
Japan
Prior art keywords
dimensional
distance
image
unknown
local
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 - Fee Related
Application number
JP7522013A
Other languages
English (en)
Japanese (ja)
Other versions
JPH08510949A (ja
Inventor
マモン、リチャード、ジェイ．
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tomey Co Ltd
Original Assignee
Tomey Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tomey Co Ltd filed Critical Tomey Co Ltd
Publication of JPH08510949A publication Critical patent/JPH08510949A/ja
Application granted granted Critical
Publication of JP3010072B2 publication Critical patent/JP3010072B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/255—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring radius of curvature
    • 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
    • A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Eye Examination Apparatus (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
JP7522013A 1994-08-08 1995-06-07 角膜形状測定装置 Expired - Fee Related JP3010072B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US28712694A 1994-08-08 1994-08-08
US287,126 1994-08-08
US08/287,126 1994-08-08
PCT/US1995/007214 WO1996004839A1 (en) 1994-08-08 1995-06-07 Processing of keratoscopic images using local spatial phase

Publications (2)

Publication Number Publication Date
JPH08510949A JPH08510949A (ja) 1996-11-19
JP3010072B2 true JP3010072B2 (ja) 2000-02-14

Family

ID=23101567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7522013A Expired - Fee Related JP3010072B2 (ja) 1994-08-08 1995-06-07 角膜形状測定装置

Country Status (4)

Country Link
EP (1) EP0722285A4 (de)
JP (1) JP3010072B2 (de)
CA (1) CA2172284C (de)
WO (1) WO1996004839A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6258217B1 (en) 1999-09-29 2001-07-10 Plasma-Therm, Inc. Rotating magnet array and sputter source

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BR9815836A (pt) * 1998-04-27 2000-12-26 Procter & Gamble Composições de ciclodextrina descomplexada aperfeiçoada para controle de odor
JP3602371B2 (ja) * 1999-06-04 2004-12-15 株式会社ニデック 角膜形状測定装置
ATE454845T1 (de) 2000-10-30 2010-01-15 Gen Hospital Corp Optische systeme zur gewebeanalyse
JP4995720B2 (ja) 2004-07-02 2012-08-08 ザ ジェネラル ホスピタル コーポレイション ダブルクラッドファイバを有する内視鏡撮像プローブ
JP5324095B2 (ja) 2004-08-24 2013-10-23 ザ ジェネラル ホスピタル コーポレイション 血管セグメントを画像化する方法および装置
US8922781B2 (en) 2004-11-29 2014-12-30 The General Hospital Corporation Arrangements, devices, endoscopes, catheters and methods for performing optical imaging by simultaneously illuminating and detecting multiple points on a sample
EP2085929A1 (de) 2005-04-28 2009-08-05 The General Hospital Corporation Beurteilung von optischen Kohärenztomographieinformationen für eine anatomische Struktur
EP1889037A2 (de) 2005-06-01 2008-02-20 The General Hospital Corporation Vorrichtung, verfahren und system zur abbildung phasenaufgelöster optischer frequenzdomänen
KR101387454B1 (ko) 2005-08-09 2014-04-22 더 제너럴 하스피탈 코포레이션 광간섭 단층촬영법에서 편광 기반 직교 복조를 수행하기위한 장치, 방법 및 저장 매체
KR20080066705A (ko) 2005-09-29 2008-07-16 더 제너럴 하스피탈 코포레이션 점진적으로 증가하는 분해능을 이용하여 하나 이상의 생물학적 샘플을 관찰 및 분석하기 위한 방법 및 장치
US8145018B2 (en) 2006-01-19 2012-03-27 The General Hospital Corporation Apparatus for obtaining information for a structure using spectrally-encoded endoscopy techniques and methods for producing one or more optical arrangements
EP2659851A3 (de) 2006-02-01 2014-01-15 The General Hospital Corporation Vorrichtung zur Anwendung mehrerer elektromagnetischer Strahlungen auf einer Probe
JP5524487B2 (ja) 2006-02-01 2014-06-18 ザ ジェネラル ホスピタル コーポレイション コンフォーマルレーザ治療手順を用いてサンプルの少なくとも一部分に電磁放射を放射する方法及びシステム。
EP2982929A1 (de) 2006-02-24 2016-02-10 The General Hospital Corporation Verfahren und systeme zur durchführung von winkelaufgelöster optischer kohärenztomografie im fourier-bereich
WO2007133961A2 (en) * 2006-05-10 2007-11-22 The General Hospital Corporation Processes, arrangements and systems for providing frequency domain imaging of a sample
US8838213B2 (en) 2006-10-19 2014-09-16 The General Hospital Corporation Apparatus and method for obtaining and providing imaging information associated with at least one portion of a sample, and effecting such portion(s)
US9254089B2 (en) 2008-07-14 2016-02-09 The General Hospital Corporation Apparatus and methods for facilitating at least partial overlap of dispersed ration on at least one sample
US9615748B2 (en) 2009-01-20 2017-04-11 The General Hospital Corporation Endoscopic biopsy apparatus, system and method
EP2453791B1 (de) 2009-07-14 2023-09-06 The General Hospital Corporation Vorrichtung zum messen des flusses und drucks in einem gefäss
EP2542154B1 (de) 2010-03-05 2020-09-09 The General Hospital Corporation Vorrichtung zur bereitstellung elektromagnetischer strahlung für proben
US9069130B2 (en) 2010-05-03 2015-06-30 The General Hospital Corporation Apparatus, method and system for generating optical radiation from biological gain media
EP2566381B1 (de) * 2010-05-04 2014-04-02 Akkolens International B.V. Hornhauttopograph
US9557154B2 (en) 2010-05-25 2017-01-31 The General Hospital Corporation Systems, devices, methods, apparatus and computer-accessible media for providing optical imaging of structures and compositions
US9795301B2 (en) 2010-05-25 2017-10-24 The General Hospital Corporation Apparatus, systems, methods and computer-accessible medium for spectral analysis of optical coherence tomography images
WO2011153434A2 (en) 2010-06-03 2011-12-08 The General Hospital Corporation Apparatus and method for devices for imaging structures in or at one or more luminal organs
JP5883018B2 (ja) 2010-10-27 2016-03-09 ザ ジェネラル ホスピタル コーポレイション 少なくとも１つの血管内部の血圧を測定するための装置、システム、および方法
JP2014523536A (ja) 2011-07-19 2014-09-11 ザ ジェネラル ホスピタル コーポレイション 光コヒーレンストモグラフィーにおいて偏波モード分散補償を提供するためのシステム、方法、装置およびコンピュータアクセス可能な媒体
US9341783B2 (en) 2011-10-18 2016-05-17 The General Hospital Corporation Apparatus and methods for producing and/or providing recirculating optical delay(s)
US9629528B2 (en) 2012-03-30 2017-04-25 The General Hospital Corporation Imaging system, method and distal attachment for multidirectional field of view endoscopy
JP2015517387A (ja) 2012-05-21 2015-06-22 ザ ジェネラル ホスピタル コーポレイション カプセル顕微鏡検査のための装置、デバイスおよび方法
JP6227652B2 (ja) 2012-08-22 2017-11-08 ザ ジェネラル ホスピタル コーポレイション ソフトリソグラフィを用いてミニチュア内視鏡を製作するためのシステム、方法、およびコンピュータ・アクセス可能媒体
EP2948758B1 (de) 2013-01-28 2024-03-13 The General Hospital Corporation Vorrichtung zur bereitstellung von gemeinsam mit optischer frequenzdomänenbildgebung aufgezeichneter diffuser spektroskopie
WO2014120791A1 (en) 2013-01-29 2014-08-07 The General Hospital Corporation Apparatus, systems and methods for providing information regarding the aortic valve
WO2014121082A1 (en) 2013-02-01 2014-08-07 The General Hospital Corporation Objective lens arrangement for confocal endomicroscopy
US10478072B2 (en) 2013-03-15 2019-11-19 The General Hospital Corporation Methods and system for characterizing an object
EP2997354A4 (de) 2013-05-13 2017-01-18 The General Hospital Corporation Erkennung einer selbstinterferierenden fluoreszenzphase und amplitude
EP3021735A4 (de) 2013-07-19 2017-04-19 The General Hospital Corporation Bestimmung der augenbewegung mittels netzhautabbildung mit rückkopplung
EP3021734B1 (de) 2013-07-19 2020-04-08 The General Hospital Corporation Abbildungsvorrichtung unter verwendung einer endoskopie mit multidirektionalem sichtfeld
EP3025173B1 (de) 2013-07-26 2021-07-07 The General Hospital Corporation Vorrichtung mit optische dispersion nutzender laseranordnung zur anwendung in der fourier-raum optischen kohärenztomographie
US9733460B2 (en) 2014-01-08 2017-08-15 The General Hospital Corporation Method and apparatus for microscopic imaging
US10736494B2 (en) 2014-01-31 2020-08-11 The General Hospital Corporation System and method for facilitating manual and/or automatic volumetric imaging with real-time tension or force feedback using a tethered imaging device
US10228556B2 (en) 2014-04-04 2019-03-12 The General Hospital Corporation Apparatus and method for controlling propagation and/or transmission of electromagnetic radiation in flexible waveguide(s)
ES2907287T3 (es) 2014-07-25 2022-04-22 Massachusetts Gen Hospital Aparato para imagenología y diagnóstico in vivo

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4863260A (en) * 1987-11-04 1989-09-05 Computed Anatomy Inc. System for topographical modeling of anatomical surfaces

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4794550A (en) * 1986-10-15 1988-12-27 Eastman Kodak Company Extended-range moire contouring
WO1992001417A1 (en) * 1990-07-19 1992-02-06 Horwitz Larry S Vision measurement and correction
JPH04332525A (ja) * 1991-05-02 1992-11-19 Topcon Corp 角膜形状測定装置
JPH0630900A (ja) * 1992-07-13 1994-02-08 Kimiya Shimizu 角膜の光学特性の表示方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4863260A (en) * 1987-11-04 1989-09-05 Computed Anatomy Inc. System for topographical modeling of anatomical surfaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6258217B1 (en) 1999-09-29 2001-07-10 Plasma-Therm, Inc. Rotating magnet array and sputter source

Also Published As

Publication number Publication date
WO1996004839A1 (en) 1996-02-22
EP0722285A1 (de) 1996-07-24
JPH08510949A (ja) 1996-11-19
EP0722285A4 (de) 1998-11-04
CA2172284C (en) 1999-09-28
CA2172284A1 (en) 1996-02-22

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Legal Events

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