JP2009291252A5 - - Google Patents

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Publication number
JP2009291252A5
JP2009291252A5 JP2008145160 JP2008145160A JP2009291252A5 JP 2009291252 A5 JP2009291252 A5 JP 2009291252A5 JP 2008145160 JP2008145160 JP 2008145160 JP 2008145160 A JP2008145160 A JP 2008145160A JP 2009291252 A5 JP2009291252 A5 JP 2009291252A5
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JP
Japan
Prior art keywords
optical
light
fundus
focus
eye
Prior art date
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Application number
JP2008145160
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Japanese (ja)
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JP5209377B2 (en
JP2009291252A (en
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Priority to JP2008145160A priority Critical patent/JP5209377B2/en
Priority claimed from JP2008145160A external-priority patent/JP5209377B2/en
Priority claimed from EP09161689.6A external-priority patent/EP2130486B1/en
Publication of JP2009291252A publication Critical patent/JP2009291252A/en
Publication of JP2009291252A5 publication Critical patent/JP2009291252A5/ja
Publication of JP5209377B2 publication Critical patent/JP5209377B2/en
Application granted granted Critical
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Anticipated expiration legal-status Critical

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Claims (6)

  1. Fundus observation optics having an illumination optical system for irradiating illumination light to the fundus of the eye to be examined and a light receiving optical system having a first focusing optical member movable in the optical axis direction and receiving fundus reflected light by the first light receiving element. A fundus oculi observation means for obtaining a front fundus image of the eye to be examined based on a light reception signal output from the first light receiving element,
    A second focus optical member movable in the optical axis direction and an optical path length variable optical member, splitting the light emitted from the light source into measurement light and reference light, and guiding the measurement light to the fundus of the eye to be examined; After the reference light is guided to the reference optical system, the second light receiving element has an interference optical system that detects the combined light of the measurement light reflected from the fundus and the reference light, and is output from the second light receiving element. Optical coherence tomography for obtaining a fundus tomographic image of the eye based on the received light signal
    First autofocus means for acquiring in-focus position information with respect to the fundus of the fundus oculi observation optical system based on a light reception result output from the first light-receiving element, and moving the first focus optical member to the in-focus position; ,
    After the second focus optical member is moved to the vicinity of the focus position based on the focus position information, the second focus optical member is further moved at a plurality of positions near the focus position. A second autofocus unit that acquires in-focus position information for the fundus of the interference optical system based on the acquired tomographic image, and moves the second focus optical member to the in-focus position. Fundus photographing device.
  2. 2. The fundus imaging apparatus according to claim 1, wherein the second auto-focusing unit moves the second focusing optical member to the vicinity of the in-focus position, and then moves the optical path length variable optical member to obtain at each position. The optical path length is automatically adjusted based on the tomographic image, and the second focusing optical member is moved, and the interference optical is based on the tomographic images acquired at a plurality of positions near the in-focus position. A fundus photographing apparatus characterized by acquiring in-focus position information for the fundus of the system and moving the second focusing optical member to the in-focus position.
  3. 3. The fundus imaging apparatus according to claim 2, wherein the second autofocus unit acquires in-focus position information with respect to the fundus of the interference optical system using luminance levels of the entire tomographic image acquired at a plurality of positions. A fundus imaging apparatus characterized by the above.
  4. Fundus observation optics having an illumination optical system for irradiating illumination light to the fundus of the eye to be examined and a light receiving optical system having a first focusing optical member movable in the optical axis direction and receiving fundus reflected light by the first light receiving element. A fundus oculi observation means for obtaining a front fundus image of the eye to be examined based on a light reception signal output from the first light receiving element,
    A second focus optical member movable in the optical axis direction and an optical path length variable optical member, splitting the light emitted from the light source into measurement light and reference light, and guiding the measurement light to the fundus of the eye to be examined; After the reference light is guided to the reference optical system, the second light receiving element has an interference optical system that detects the combined light of the measurement light reflected from the fundus and the reference light, and is output from the second light receiving element. Optical coherence tomography for obtaining a fundus tomographic image of the subject's eye based on the received light signal;
    First autofocus means for acquiring in-focus position information with respect to the fundus of the fundus oculi observation optical system based on a light reception result output from the first light-receiving element, and moving the first focus optical member to the in-focus position; ,
    A focus position information for the fundus of the interference optical system is acquired by correcting the focus position information by a preset offset amount, and the second focus optical member is moved to the focus position. And an autofocus means.
  5. Having a focusing optical member that can move in the direction of the optical axis, splits the light emitted from the light source into measurement light and reference light, guides the measurement light to the fundus of the eye to be examined, guides the reference light to the reference optical system, Light that has an interference optical system that detects, by a light receiving element, light obtained by combining measurement light reflected from the fundus and reference light, and obtains a fundus tomographic image of the eye to be examined based on a light reception signal output from the light receiving element Coherence tomography,
    Auto that moves the focus optical member, acquires focus position information with respect to the fundus of the interference optical system based on tomographic images acquired at a plurality of positions, and moves the focus optical member to the focus position A fundus imaging apparatus comprising: focusing means;
  6. 6. The fundus imaging apparatus according to claim 5, wherein focus position information for the fundus of the interference optical system is acquired using luminance levels of the entire tomographic image acquired at a plurality of positions. .
JP2008145160A 2008-06-02 2008-06-02 Fundus photographing device Active JP5209377B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008145160A JP5209377B2 (en) 2008-06-02 2008-06-02 Fundus photographing device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008145160A JP5209377B2 (en) 2008-06-02 2008-06-02 Fundus photographing device
EP09161689.6A EP2130486B1 (en) 2008-06-02 2009-06-02 Ophthalmic Photographing Apparatus
US12/457,160 US7824035B2 (en) 2008-06-02 2009-06-02 Ophthalmic photographing apparatus

Publications (3)

Publication Number Publication Date
JP2009291252A JP2009291252A (en) 2009-12-17
JP2009291252A5 true JP2009291252A5 (en) 2011-07-21
JP5209377B2 JP5209377B2 (en) 2013-06-12

Family

ID=41540022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008145160A Active JP5209377B2 (en) 2008-06-02 2008-06-02 Fundus photographing device

Country Status (1)

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JP (1) JP5209377B2 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5416577B2 (en) * 2009-12-25 2014-02-12 株式会社ニデック Retinal function measuring device
WO2011091253A2 (en) * 2010-01-21 2011-07-28 Physical Sciences, Inc. Multi-functional adaptive optics retinal imaging
JP5220156B2 (en) 2011-03-31 2013-06-26 キヤノン株式会社 Medical devices and systems
JP5220155B2 (en) * 2011-03-31 2013-06-26 キヤノン株式会社 Ophthalmic apparatus and method for controlling ophthalmic apparatus
JP5220208B2 (en) 2011-03-31 2013-06-26 キヤノン株式会社 Control device, imaging control method, and program
JP6100027B2 (en) * 2011-03-31 2017-03-22 キヤノン株式会社 Image pickup apparatus control apparatus, image pickup apparatus control method, and program
JP5843542B2 (en) * 2011-09-20 2016-01-13 キヤノン株式会社 Image processing apparatus, ophthalmologic photographing apparatus, image processing method, and program
JP5936368B2 (en) * 2012-01-20 2016-06-22 キヤノン株式会社 Optical coherence tomography apparatus and method for operating the same
JP5210442B1 (en) 2012-01-26 2013-06-12 キヤノン株式会社 Optical tomographic imaging apparatus and control method
JP5210443B1 (en) 2012-01-26 2013-06-12 キヤノン株式会社 Optical tomographic imaging apparatus and control method
JP6108811B2 (en) * 2012-02-21 2017-04-05 キヤノン株式会社 Imaging device
JP6007527B2 (en) 2012-03-13 2016-10-12 株式会社ニデック Fundus photographing device
JP6007549B2 (en) 2012-03-30 2016-10-12 株式会社ニデック Fundus photographing device
JP6143421B2 (en) * 2012-03-30 2017-06-07 キヤノン株式会社 Optical coherence tomography apparatus and method
US8876292B2 (en) 2012-07-03 2014-11-04 Nidek Co., Ltd. Fundus imaging apparatus
JP6151897B2 (en) 2012-08-30 2017-06-21 キヤノン株式会社 Optical tomographic imaging apparatus and control method thereof
JP6159454B2 (en) * 2012-10-01 2017-07-05 株式会社トプコン Ophthalmic observation device
JP6045895B2 (en) 2012-10-01 2016-12-14 株式会社トプコン Ophthalmic observation device
EP2926722A4 (en) * 2012-11-30 2016-12-21 Kk Topcon Fundus photographing device
JP6218425B2 (en) * 2013-04-30 2017-10-25 キヤノン株式会社 Optical tomography system
JP6421919B2 (en) * 2014-09-01 2018-11-14 株式会社ニデック Ophthalmic imaging equipment
JP2016049368A (en) * 2014-09-01 2016-04-11 株式会社ニデック Ophthalmological photographing apparatus
JP2016123801A (en) * 2015-01-08 2016-07-11 キヤノン株式会社 Ophthalmologic apparatus
JP6604020B2 (en) * 2015-04-15 2019-11-13 株式会社ニデック Fundus imaging apparatus and fundus imaging program
JP6001149B2 (en) * 2015-09-28 2016-10-05 キヤノン株式会社 Image processing apparatus, photographing system, image processing method, and program
JP6736460B2 (en) 2016-12-13 2020-08-05 キヤノン株式会社 Ophthalmic device, ophthalmic imaging method, and program
JP2017159089A (en) * 2017-05-10 2017-09-14 キヤノン株式会社 Fundus imaging apparatus

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Publication number Priority date Publication date Assignee Title
JPH0711619B2 (en) * 1987-11-24 1995-02-08 富士写真フイルム株式会社 Image detection method
JPH11197109A (en) * 1998-01-19 1999-07-27 Kowa Co Scanning type laser ophthalmoscope
CA2390072C (en) * 2002-06-28 2018-02-27 Adrian Gh Podoleanu Optical mapping apparatus with adjustable depth resolution and multiple functionality
JP4578994B2 (en) * 2005-02-02 2010-11-10 株式会社ニデック Ophthalmic imaging equipment
JP4819478B2 (en) * 2005-10-31 2011-11-24 株式会社ニデック Ophthalmic imaging equipment
JP4837982B2 (en) * 2005-11-30 2011-12-14 株式会社ニデック Ophthalmic equipment
JP4822969B2 (en) * 2006-07-27 2011-11-24 株式会社ニデック Ophthalmic imaging equipment

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