WO2009001458A1 - 眼科検査装置 - Google Patents

眼科検査装置 Download PDF

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Publication number
WO2009001458A1
WO2009001458A1 PCT/JP2007/062991 JP2007062991W WO2009001458A1 WO 2009001458 A1 WO2009001458 A1 WO 2009001458A1 JP 2007062991 W JP2007062991 W JP 2007062991W WO 2009001458 A1 WO2009001458 A1 WO 2009001458A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
visual acuity
test chart
polarized
acuity test
Prior art date
Application number
PCT/JP2007/062991
Other languages
English (en)
French (fr)
Inventor
Chota Matsumoto
Hiroshi Yuuki
Original Assignee
Shinko Seiki Company, Limited
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 Shinko Seiki Company, Limited filed Critical Shinko Seiki Company, Limited
Priority to JP2009520258A priority Critical patent/JP5156014B2/ja
Priority to EP07767785.4A priority patent/EP2165645B1/en
Priority to US12/665,002 priority patent/US7926947B2/en
Priority to PCT/JP2007/062991 priority patent/WO2009001458A1/ja
Publication of WO2009001458A1 publication Critical patent/WO2009001458A1/ja

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
    • A61B3/02—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
    • A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
    • 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
    • A61B3/0091—Fixation targets for viewing direction
    • 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
    • A61B3/024—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for determining the visual field, e.g. perimeter types

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

【課題】　従来よりも信頼性の高い検査を実現可能とする。 【解決手段】　視標呈示用の光源１２から発せられた無偏光の光は、コリメータレンズ２０によって平行光に補正された後、視標呈示用の液晶シャッタ２２に入射される。一方、背景呈示用の光源１４から発せされた無偏光の光は、コリメータレンズ３０によって平行光に補正された後、背景呈示用の液晶シャッタ３２に入射される。各液晶シャッタ２２および３２は、互いに正反対のシャッタパターンを形成しており、これら各液晶シャッタ２２および３２から出射された視標光および背景光は、合成手段としてのハーフプリズム２４によって、その偏光状態を含めて合成される。そして、合成された無偏光の合成光は、拡大光学系２６を通して、被検眼に投射される。このように無偏光の合成光が被検眼に投射されるので、偏光の影響を受けることなく、信頼性の高い検査を行うことができる。
PCT/JP2007/062991 2007-06-28 2007-06-28 眼科検査装置 WO2009001458A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009520258A JP5156014B2 (ja) 2007-06-28 2007-06-28 眼科検査装置
EP07767785.4A EP2165645B1 (en) 2007-06-28 2007-06-28 Ophthalmic inspection device
US12/665,002 US7926947B2 (en) 2007-06-28 2007-06-28 Ophthalmic examination system
PCT/JP2007/062991 WO2009001458A1 (ja) 2007-06-28 2007-06-28 眼科検査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/062991 WO2009001458A1 (ja) 2007-06-28 2007-06-28 眼科検査装置

Publications (1)

Publication Number Publication Date
WO2009001458A1 true WO2009001458A1 (ja) 2008-12-31

Family

ID=40185290

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/062991 WO2009001458A1 (ja) 2007-06-28 2007-06-28 眼科検査装置

Country Status (4)

Country Link
US (1) US7926947B2 (ja)
EP (1) EP2165645B1 (ja)
JP (1) JP5156014B2 (ja)
WO (1) WO2009001458A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012522569A (ja) * 2009-04-01 2012-09-27 チェンテルビュー エス．ピー．エー． 眼の検査装置
WO2014167688A1 (ja) * 2013-04-11 2014-10-16 神港精機株式会社 眼科検査装置
JP2016144549A (ja) * 2015-02-09 2016-08-12 株式会社トーメーコーポレーション 視野計
WO2017195347A1 (ja) 2016-05-13 2017-11-16 神港精機株式会社 眼科検査装置
JP2018023431A (ja) * 2016-08-08 2018-02-15 神港精機株式会社 眼科検査装置
US10927449B2 (en) 2017-01-25 2021-02-23 Applied Materials, Inc. Extension of PVD chamber with multiple reaction gases, high bias power, and high power impulse source for deposition, implantation, and treatment

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Publication number Priority date Publication date Assignee Title
US7362775B1 (en) 1996-07-02 2008-04-22 Wistaria Trading, Inc. Exchange mechanisms for digital information packages with bandwidth securitization, multichannel digital watermarks, and key management
US5613004A (en) 1995-06-07 1997-03-18 The Dice Company Steganographic method and device
US7664263B2 (en) 1998-03-24 2010-02-16 Moskowitz Scott A Method for combining transfer functions with predetermined key creation
US6205249B1 (en) 1998-04-02 2001-03-20 Scott A. Moskowitz Multiple transform utilization and applications for secure digital watermarking
US7457962B2 (en) 1996-07-02 2008-11-25 Wistaria Trading, Inc Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
US7095874B2 (en) 1996-07-02 2006-08-22 Wistaria Trading, Inc. Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
US7346472B1 (en) 2000-09-07 2008-03-18 Blue Spike, Inc. Method and device for monitoring and analyzing signals
US7177429B2 (en) 2000-12-07 2007-02-13 Blue Spike, Inc. System and methods for permitting open access to data objects and for securing data within the data objects
US5889868A (en) 1996-07-02 1999-03-30 The Dice Company Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
US7159116B2 (en) 1999-12-07 2007-01-02 Blue Spike, Inc. Systems, methods and devices for trusted transactions
US7730317B2 (en) 1996-12-20 2010-06-01 Wistaria Trading, Inc. Linear predictive coding implementation of digital watermarks
US7664264B2 (en) 1999-03-24 2010-02-16 Blue Spike, Inc. Utilizing data reduction in steganographic and cryptographic systems
US7475246B1 (en) 1999-08-04 2009-01-06 Blue Spike, Inc. Secure personal content server
US7127615B2 (en) 2000-09-20 2006-10-24 Blue Spike, Inc. Security based on subliminal and supraliminal channels for data objects
US7287275B2 (en) 2002-04-17 2007-10-23 Moskowitz Scott A Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth
US8676822B2 (en) * 2009-02-06 2014-03-18 Disney Enterprises, Inc. System and method for quality assured media file storage

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005102946A (ja) * 2003-09-30 2005-04-21 Nidek Co Ltd 視野計
JP2006340755A (ja) 2005-06-07 2006-12-21 Shinko Seiki Co Ltd 眼科検査装置

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DE2843287A1 (de) * 1977-10-05 1979-04-19 Canon Kk Augenuntersuchungsinstrument
JP2721892B2 (ja) 1988-06-15 1998-03-04 株式会社ニデック 視力検査装置
AU1627699A (en) * 1997-12-05 1999-06-28 Schepens Eye Research Institute, Inc., The Method and apparatus for measuring visual sensitivity and optical properties of components of the eye
JP4570796B2 (ja) * 2001-02-08 2010-10-27 株式会社トプコン コントラストチャート装置
WO2002062208A1 (en) * 2001-02-08 2002-08-15 Topcon Corporation Contrast chart apparatus, contrast sensitivity measuring apparatus, and contrast sensitivity measuring method
US6572229B2 (en) * 2001-06-14 2003-06-03 Carl Zeiss, Inc. Back projection visual field tester
DE102004020663A1 (de) * 2004-04-24 2005-11-10 Carl Zeiss Meditec Ag Einrichtung zur Beleuchtung organischer Objekte
EP1928295A2 (en) * 2005-09-02 2008-06-11 EL-Vision Ltd. Multi-functional optometric - ophthalmic system for testing, diagnosing, or treating, vision or eyes of a subject, and methodologies thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005102946A (ja) * 2003-09-30 2005-04-21 Nidek Co Ltd 視野計
JP2006340755A (ja) 2005-06-07 2006-12-21 Shinko Seiki Co Ltd 眼科検査装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012522569A (ja) * 2009-04-01 2012-09-27 チェンテルビュー エス．ピー．エー． 眼の検査装置
WO2014167688A1 (ja) * 2013-04-11 2014-10-16 神港精機株式会社 眼科検査装置
JP2016144549A (ja) * 2015-02-09 2016-08-12 株式会社トーメーコーポレーション 視野計
WO2017195347A1 (ja) 2016-05-13 2017-11-16 神港精機株式会社 眼科検査装置
JPWO2017195347A1 (ja) * 2016-05-13 2018-08-09 神港精機株式会社 眼科検査装置
US10791921B2 (en) 2016-05-13 2020-10-06 Shinko Seiki Co., Ltd Ophthalmologic examination apparatus
JP2018023431A (ja) * 2016-08-08 2018-02-15 神港精機株式会社 眼科検査装置
US10927449B2 (en) 2017-01-25 2021-02-23 Applied Materials, Inc. Extension of PVD chamber with multiple reaction gases, high bias power, and high power impulse source for deposition, implantation, and treatment

Also Published As

Publication number Publication date
EP2165645B1 (en) 2013-09-11
JP5156014B2 (ja) 2013-03-06
EP2165645A1 (en) 2010-03-24
EP2165645A4 (en) 2011-06-22
JPWO2009001458A1 (ja) 2010-08-26
US7926947B2 (en) 2011-04-19
US20100182570A1 (en) 2010-07-22

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