JP2006110113A5 - - Google Patents

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Publication number
JP2006110113A5
JP2006110113A5 JP2004300968A JP2004300968A JP2006110113A5 JP 2006110113 A5 JP2006110113 A5 JP 2006110113A5 JP 2004300968 A JP2004300968 A JP 2004300968A JP 2004300968 A JP2004300968 A JP 2004300968A JP 2006110113 A5 JP2006110113 A5 JP 2006110113A5
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JP
Japan
Prior art keywords
focus
light source
imaging
illumination light
light beam
Prior art date
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Granted
Application number
JP2004300968A
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Japanese (ja)
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JP2006110113A (en
JP4620995B2 (en
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Publication date
Application filed filed Critical
Priority to JP2004300968A priority Critical patent/JP4620995B2/en
Priority claimed from JP2004300968A external-priority patent/JP4620995B2/en
Priority to US11/233,628 priority patent/US7347553B2/en
Publication of JP2006110113A publication Critical patent/JP2006110113A/en
Priority to US11/781,767 priority patent/US8506081B2/en
Publication of JP2006110113A5 publication Critical patent/JP2006110113A5/ja
Application granted granted Critical
Publication of JP4620995B2 publication Critical patent/JP4620995B2/en
Priority to US13/947,502 priority patent/US20130335702A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (5)

被検眼の眼底と撮影光学系の撮像素子の撮像面を共役にするためのフォーカスユニットにおいて、In the focus unit for conjugating the fundus of the eye to be examined and the imaging surface of the imaging device of the imaging optical system,
フォーカス指標照明光源と、A focus indicator illumination light source;
該フォーカス指標照明光源からの光束を複数の異なる方向に分離する光学部材とを有することを特徴とするフォーカスユニット。An optical member that separates a light beam from the focus index illumination light source into a plurality of different directions. 前記光学部材は光束を複数の方向に偏向する偏向プリズムで構成することを特徴とする請求項１に記載のフォーカスユニット。 The focus unit according to claim 1, wherein the optical member includes a deflecting prism that deflects a light beam in a plurality of directions . 前記フォーカス指標照明光源はＬＥＤであることを特徴とする請求項１又は２に記載のフォーカスユニット。The focus unit according to claim 1, wherein the focus index illumination light source is an LED. 前記光学部材で分離された光束を、スリット状にする開口を備える部材を介して出射することを特徴とする請求項１〜３の何れか１つの請求項に記載のフォーカスユニット。The focus unit according to any one of claims 1 to 3, wherein the light beam separated by the optical member is emitted through a member having an opening that forms a slit. 被検眼の眼底像を撮像する撮像素子を備える撮影光学系と、
被検眼の眼底と前記撮像素子の撮像面を共役にするためのフォーカス指標照明光源と、
該フォーカス指標照明光源からの光束を複数の異なる方向に分離する光学部材とを有することを特徴とするフォーカスユニットを備えた眼科撮影装置。 An imaging optical system including an imaging device for imaging a fundus image of the eye to be examined;
A focus index illumination light source for conjugating the fundus of the eye to be examined and the imaging surface of the imaging device;
An ophthalmologic photographing apparatus having a focus unit, comprising: an optical member that separates a light beam from the focus index illumination light source into a plurality of different directions .
JP2004300968A 2004-09-24 2004-10-15 Focus unit and ophthalmic photographing apparatus provided with the focus unit Expired - Fee Related JP4620995B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2004300968A JP4620995B2 (en) 2004-10-15 2004-10-15 Focus unit and ophthalmic photographing apparatus provided with the focus unit
US11/233,628 US7347553B2 (en) 2004-09-24 2005-09-22 Ophthalmic image sensing apparatus
US11/781,767 US8506081B2 (en) 2004-09-24 2007-07-23 Ophthalmic image sensing apparatus
US13/947,502 US20130335702A1 (en) 2004-09-24 2013-07-22 Ophthalmic image sensing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004300968A JP4620995B2 (en) 2004-10-15 2004-10-15 Focus unit and ophthalmic photographing apparatus provided with the focus unit

Publications (3)

Publication Number Publication Date
JP2006110113A JP2006110113A (en) 2006-04-27
JP2006110113A5 true JP2006110113A5 (en) 2007-11-22
JP4620995B2 JP4620995B2 (en) 2011-01-26

Family

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Family Applications (1)

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JP2004300968A Expired - Fee Related JP4620995B2 (en) 2004-09-24 2004-10-15 Focus unit and ophthalmic photographing apparatus provided with the focus unit

Country Status (1)

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JP (1) JP4620995B2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4878277B2 (en) * 2006-11-29 2012-02-15 キヤノン株式会社 Ophthalmic photographing apparatus and focus unit used for the ophthalmic photographing apparatus
JP5173569B2 (en) * 2008-05-09 2013-04-03 キヤノン株式会社 Ophthalmic equipment
JP5605995B2 (en) * 2009-02-26 2014-10-15 キヤノン株式会社 Ophthalmic imaging equipment
JP5253299B2 (en) * 2009-06-01 2013-07-31 キヤノン株式会社 Fundus camera
JP5879826B2 (en) 2011-08-31 2016-03-08 株式会社ニデック Fundus photographing device
JP5880053B2 (en) * 2012-01-12 2016-03-08 株式会社リコー Spectral characteristic acquisition apparatus and image forming apparatus
JP6030423B2 (en) * 2012-11-30 2016-11-24 株式会社トプコン Fundus photographing device
KR102140486B1 (en) * 2018-03-27 2020-08-03 (주)위키옵틱스 Illumination apparatus for retina observation and fundus camera having the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034378B2 (en) * 1977-04-07 1985-08-08 キヤノン株式会社 fundus camera
JPS5454494A (en) * 1977-10-07 1979-04-28 Canon Kk Device of inspecting eyeground that can rapidly adjust focus
JPH0523306A (en) * 1991-07-25 1993-02-02 Topcon Corp Ophthalmologic machine
JP4138101B2 (en) * 1998-10-12 2008-08-20 株式会社トプコン Fundus camera
JP2002065611A (en) * 2000-08-28 2002-03-05 Kowa Co Fundus camera

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