CA2539944A1 - Online wavefront measurement and display - Google Patents

Online wavefront measurement and display Download PDF

Info

Publication number
CA2539944A1
CA2539944A1 CA002539944A CA2539944A CA2539944A1 CA 2539944 A1 CA2539944 A1 CA 2539944A1 CA 002539944 A CA002539944 A CA 002539944A CA 2539944 A CA2539944 A CA 2539944A CA 2539944 A1 CA2539944 A1 CA 2539944A1
Authority
CA
Canada
Prior art keywords
centroid
image
algorithm
wavefront
centroids
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.)
Abandoned
Application number
CA002539944A
Other languages
English (en)
French (fr)
Inventor
Hans-Joachim Polland
Gerhard Youssefi
Stefan Franzke
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.)
Bausch and Lomb Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2539944A1 publication Critical patent/CA2539944A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • G06T7/66—Analysis of geometric attributes of image moments or centre of gravity
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30041—Eye; Retina; Ophthalmic

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Geometry (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Quality & Reliability (AREA)
  • Image Analysis (AREA)
  • Eye Examination Apparatus (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Image Processing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA002539944A 2003-07-24 2004-07-22 Online wavefront measurement and display Abandoned CA2539944A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10333813.6 2003-07-24
DE10333813A DE10333813A1 (de) 2003-07-24 2003-07-24 Online-Wellenfrontmessung und Anzeige
PCT/EP2004/008205 WO2005015495A2 (en) 2003-07-24 2004-07-22 Online wavefront measurement and display

Publications (1)

Publication Number Publication Date
CA2539944A1 true CA2539944A1 (en) 2005-02-17

Family

ID=34071891

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002539944A Abandoned CA2539944A1 (en) 2003-07-24 2004-07-22 Online wavefront measurement and display

Country Status (11)

Country Link
US (1) US7708411B2 (enExample)
EP (1) EP1658587B1 (enExample)
JP (1) JP2006528499A (enExample)
KR (1) KR20060080578A (enExample)
CN (1) CN1856803A (enExample)
AU (1) AU2004263957B2 (enExample)
CA (1) CA2539944A1 (enExample)
DE (1) DE10333813A1 (enExample)
ES (1) ES2689935T3 (enExample)
SG (1) SG145707A1 (enExample)
WO (1) WO2005015495A2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10333794A1 (de) 2003-07-24 2005-03-03 Technovision Gmbh Verfahren und Vorrichtung zur Online-Kontaktlinsenbewertung
US7789513B2 (en) 2007-04-20 2010-09-07 Alcon Refractivehorizons, Inc. Adaptive wavefront modulation system and method for refractive laser surgery
CN101055223B (zh) * 2007-04-26 2010-12-08 中国科学院光电技术研究所 哈特曼波前传感器质心测量精度优化方法
US8740381B2 (en) * 2007-06-27 2014-06-03 Bausch & Lomb Incorporated Method and apparatus for extrapolating diagnostic data
DE102008014294A1 (de) * 2008-03-14 2009-09-17 Bausch & Lomb Inc. Schneller Algorithmus für Wellenfrontdatenstrom
US8254724B2 (en) * 2008-11-06 2012-08-28 Bausch & Lomb Incorporated Method and apparatus for making and processing aberration measurements
US9504376B2 (en) * 2009-12-22 2016-11-29 Amo Wavefront Sciences, Llc Optical diagnosis using measurement sequence
CN104103078A (zh) * 2014-07-31 2014-10-15 中国航天科工集团第三研究院第八三五七研究所 一种螺旋对称中心检测方法
CN104955148B (zh) * 2014-12-09 2019-03-19 文春明 一种利用电磁波对称传播特性的无线传感网络定位方法
US9782064B1 (en) 2016-04-08 2017-10-10 Clarity Medical Systems, Inc. Obtaining and displaying histogram and/or confidence of intra-operative refraction and/or IOL power recommendation
CN106530278B (zh) * 2016-10-14 2020-01-07 中国科学院光电技术研究所 用于点源哈特曼波前探测器的点光斑检测与背景噪声特征估计方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4222395A1 (de) 1992-07-08 1994-01-13 Amtech Ges Fuer Angewandte Mic Vorrichtung und Verfahren zur Messung der Augenrefraktion
US5777719A (en) 1996-12-23 1998-07-07 University Of Rochester Method and apparatus for improving vision and the resolution of retinal images
FR2788597B1 (fr) 1999-01-15 2001-02-23 Imagine Optic Sarl Procede et dispositif d'analyse de front d'onde a grande dynamique
US6234631B1 (en) 2000-03-09 2001-05-22 Lasersight Technologies, Inc. Combination advanced corneal topography/wave front aberration measurement
DE10154194A1 (de) 2001-11-07 2003-05-22 Asclepion Meditec Ag Verfahren und Vorrichtung zur Messung des Dynamischen Verhaltens eines optischen Systems

Also Published As

Publication number Publication date
JP2006528499A (ja) 2006-12-21
WO2005015495A2 (en) 2005-02-17
WO2005015495A3 (en) 2005-12-22
EP1658587A2 (en) 2006-05-24
AU2004263957B2 (en) 2010-05-13
US20070008491A1 (en) 2007-01-11
AU2004263957A1 (en) 2005-02-17
CN1856803A (zh) 2006-11-01
ES2689935T3 (es) 2018-11-16
KR20060080578A (ko) 2006-07-10
DE10333813A1 (de) 2005-02-17
EP1658587B1 (en) 2018-09-19
SG145707A1 (en) 2008-09-29
US7708411B2 (en) 2010-05-04

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 20111202