ATE306843T1 - Vorrichtung zur untersuchung des auges - Google Patents

Vorrichtung zur untersuchung des auges

Info

Publication number
ATE306843T1
ATE306843T1 AT99302096T AT99302096T ATE306843T1 AT E306843 T1 ATE306843 T1 AT E306843T1 AT 99302096 T AT99302096 T AT 99302096T AT 99302096 T AT99302096 T AT 99302096T AT E306843 T1 ATE306843 T1 AT E306843T1
Authority
AT
Austria
Prior art keywords
meniscus
radius
tear
image
curvature
Prior art date
Application number
AT99302096T
Other languages
English (en)
Inventor
Takayoshi Suzuki
Norihiko Yokoi
Kita-Ku Higashiiru
Original Assignee
Kowa Co
Norihiko Yokoi
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 Kowa Co, Norihiko Yokoi filed Critical Kowa Co
Application granted granted Critical
Publication of ATE306843T1 publication Critical patent/ATE306843T1/de

Links

Classifications

    • 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
    • A61B3/101—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for examining the tear film
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Eye Examination Apparatus (AREA)
  • Prostheses (AREA)
AT99302096T 1998-03-20 1999-03-18 Vorrichtung zur untersuchung des auges ATE306843T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07161598A JP3896211B2 (ja) 1998-03-20 1998-03-20 眼科測定装置

Publications (1)

Publication Number Publication Date
ATE306843T1 true ATE306843T1 (de) 2005-11-15

Family

ID=13465741

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99302096T ATE306843T1 (de) 1998-03-20 1999-03-18 Vorrichtung zur untersuchung des auges

Country Status (6)

Country Link
US (2) US7278740B1 (de)
EP (1) EP0943288B8 (de)
JP (1) JP3896211B2 (de)
AT (1) ATE306843T1 (de)
DE (1) DE69927727T2 (de)
ES (1) ES2247758T3 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7241012B2 (en) 2003-01-21 2007-07-10 Kabushiki Kaisha Topcon Ophthalmologic apparatus
EP1709959A4 (de) * 2004-01-16 2008-07-16 House Foods Corp Reagens für die untersuchung der tränensekretion und verfahren zur untersuchung der tränensekretion
JP4766919B2 (ja) * 2005-05-16 2011-09-07 則彦 横井 眼科測定方法および眼科測定装置
WO2007004383A1 (ja) 2005-07-01 2007-01-11 Kowa Kabushiki Kaisha 眼科撮影装置
US7520609B2 (en) 2006-01-18 2009-04-21 Amo Manufacturing Llc Non-invasive measurement of tear volume systems and methods
US8249695B2 (en) * 2006-09-29 2012-08-21 Tearscience, Inc. Meibomian gland imaging
US7758190B2 (en) 2007-06-20 2010-07-20 Tearscience, Inc. Tear film measurement
US8192026B2 (en) 2007-06-20 2012-06-05 Tearscience, Inc. Tear film measurement
JP5038925B2 (ja) * 2008-01-29 2012-10-03 則彦 横井 眼科測定装置
US8915592B2 (en) 2009-04-01 2014-12-23 Tearscience, Inc. Apparatuses and methods of ocular surface interferometry (OSI) employing polarization and subtraction for imaging, processing, and/or displaying an ocular tear film
CA3010578C (en) 2009-04-01 2021-03-09 Tearscience, Inc. Ocular surface interferometry (osi) devices, systems, and methods for imaging, processing, and/or displaying an ocular tear film and/or measuring ocular tear film layer thickness(es)
US8888286B2 (en) 2009-04-01 2014-11-18 Tearscience, Inc. Full-eye illumination ocular surface imaging of an ocular tear film for determining tear film thickness and/or providing ocular topography
US9888839B2 (en) 2009-04-01 2018-02-13 Tearscience, Inc. Methods and apparatuses for determining contact lens intolerance in contact lens wearer patients based on dry eye tear film characteristic analysis and dry eye symptoms
US9642520B2 (en) 2009-04-01 2017-05-09 Tearscience, Inc. Background reduction apparatuses and methods of ocular surface interferometry (OSI) employing polarization for imaging, processing, and/or displaying an ocular tear film
JP5572407B2 (ja) 2010-01-29 2014-08-13 京都府公立大学法人 眼科装置及び画像分類プログラム
US9360414B2 (en) * 2011-10-14 2016-06-07 University of Pittsburgh—of the Commonwealth System of Higher Education Light refraction imaging to measure liquid volume
US9339177B2 (en) 2012-12-21 2016-05-17 Tearscience, Inc. Full-eye illumination ocular surface imaging of an ocular tear film for determining tear film thickness and/or providing ocular topography
WO2014179795A2 (en) 2013-05-03 2014-11-06 Tearscience, Inc. Eyelid illumination systems and methods for imaging meibomian glands for meibomian gland analysis
US9795290B2 (en) 2013-11-15 2017-10-24 Tearscience, Inc. Ocular tear film peak detection and stabilization detection systems and methods for determining tear film layer characteristics
JP6557707B2 (ja) * 2017-08-04 2019-08-07 エルライズ株式会社 眼科測定装置、及び眼科測定システム
WO2019031424A1 (ja) 2017-08-07 2019-02-14 興和株式会社 涙液状態評価方法、コンピュータプログラム、装置
US11147735B2 (en) 2018-02-26 2021-10-19 Olympic Ophthalmics, Inc. Therapeutic handheld devices for disorders
US11185220B2 (en) 2019-04-24 2021-11-30 Topcon Corporation Ophthalmologic apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269197A (en) * 1979-04-05 1981-05-26 Gilbard Jeffrey P Method of measuring tear osmolarity and apparatus therefor
GB2123977B (en) * 1982-07-03 1986-04-16 Smith & Nephew Ass Ophthalmic test apparatus
US4582404A (en) * 1984-07-16 1986-04-15 Hamilton C B Sagometer
US4951683A (en) * 1989-01-19 1990-08-28 Davis Jeffrey P Device for detecting keratoconjunctivitis sicca
US5352445A (en) * 1992-05-07 1994-10-04 Lavaux Joseph E Lavaux tear test lacrimal equilibration time (LET)
JP3600377B2 (ja) * 1996-07-30 2004-12-15 興和株式会社 眼科装置

Also Published As

Publication number Publication date
US7278740B1 (en) 2007-10-09
DE69927727D1 (de) 2006-03-02
EP0943288A1 (de) 1999-09-22
ES2247758T3 (es) 2006-03-01
US7413304B2 (en) 2008-08-19
EP0943288B8 (de) 2006-06-14
JPH11267102A (ja) 1999-10-05
US20070258043A1 (en) 2007-11-08
DE69927727T2 (de) 2006-04-27
JP3896211B2 (ja) 2007-03-22
EP0943288B1 (de) 2005-10-19

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