JP2012161425A - 眼科装置 - Google Patents
眼科装置 Download PDFInfo
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- JP2012161425A JP2012161425A JP2011023173A JP2011023173A JP2012161425A JP 2012161425 A JP2012161425 A JP 2012161425A JP 2011023173 A JP2011023173 A JP 2011023173A JP 2011023173 A JP2011023173 A JP 2011023173A JP 2012161425 A JP2012161425 A JP 2012161425A
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- 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
- A61B3/102—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
-
- 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
- A61B3/1005—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring distances inside the eye, e.g. thickness of the cornea
-
- 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
- A61B3/117—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
- A61B3/1173—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes for examining the eye lens
-
- 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
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
-
- 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
- A61B3/14—Arrangements specially adapted for eye photography
- A61B3/15—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing
- A61B3/152—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing for aligning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
- G01B9/02002—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
- G01B9/02004—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using frequency scans
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02062—Active error reduction, i.e. varying with time
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02062—Active error reduction, i.e. varying with time
- G01B9/02064—Active error reduction, i.e. varying with time by particular adjustment of coherence gate, i.e. adjusting position of zero path difference in low coherence interferometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02062—Active error reduction, i.e. varying with time
- G01B9/02067—Active error reduction, i.e. varying with time by electronic control systems, i.e. using feedback acting on optics or light
- G01B9/02068—Auto-alignment of optical elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/0209—Low-coherence interferometers
- G01B9/02091—Tomographic interferometers, e.g. based on optical coherence
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Ophthalmology & Optometry (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Automation & Control Theory (AREA)
- Optics & Photonics (AREA)
- Eye Examination Apparatus (AREA)
Abstract
【解決手段】 本願の眼科装置は、光源12と、光源からの光を被検眼の内部に照射すると共にその反射光を導く測定光学系(24,28,34,30,40,46,48)と、光源からの光を参照面に照射すると共にその反射光を導く参照光学系(24,22)と、測定光学系により導かれた反射光と参照光学系により導かれた反射光とが合成された干渉光を受光する受光素子26と、受光素子で受光される干渉光から、被検眼内部の測定対象部位の位置を特定する演算装置とを有している。そして、測定光学系は、被検眼に照射される光の被検眼への入射角を被検眼の視軸に対して所定の角度範囲で変更する入射角度変更手段46を有している。
【選択図】 図1
Description
12・・光源
14・・干渉光学系
20・・干渉計
22・・参照ミラー
24・・ビームスプリッタ
26・・受光素子
28,34・・ミラー
30・・0点調整機構
32・・コーナキューブ
40・・焦点調整機構
42・・凹レンズ
44・・凸レンズ
46・・入射角調整機構
46a・・ガルバノミラー
48・・ホットミラー
50・・観察光学系
54・・第1駆動装置
56・・第2駆動装置
58・・第3駆動装置
60・・第4駆動装置
62・・モニタ
64・・演算装置
Claims (6)
- 光源と、
光源からの光を被検眼の内部に照射すると共にその反射光を導く測定光学系と、
光源からの光を参照面に照射すると共にその反射光を導く参照光学系と、
測定光学系により導かれた反射光と参照光学系により導かれた反射光とが合成された干渉光を受光する受光素子と、
受光素子で受光される干渉光から、被検眼内部の測定対象部位の位置を特定する演算装置と、を有しており、
測定光学系は、被検眼に照射される光の被検眼への入射角を被検眼の視軸に対して所定の角度範囲で変更する入射角度変更手段を有している、眼科装置。 - 入射角度変更手段は、被検眼を検査する際に、被検眼への入射角を所定の角度範囲で走査し、
受光素子は、各走査角における干渉光を受光し、
演算装置は、各走査角における干渉光から、被検眼内部の測定対象部位の位置を特定する、請求項1に記載の眼科装置。 - 測定光学系は、光源からの光の焦点位置をその光軸方向に変化させる焦点調整機構をさらに有している、請求項1又は2に記載の眼科装置。
- 焦点調整機構は、光軸上に配置される凹レンズと、光軸上に配置されると共に凹レンズよりも被検眼側に配置される凸レンズと、凹レンズに対して凸レンズを光軸方向に移動させる移動手段と、を有している、請求項3に記載の眼科装置。
- 測定光学系は、光源から被検眼までの光路長を変更する光路長変更手段をさらに有している、請求項1〜4のいずれか一項に記載の眼科装置。
- 入射角度変更手段は、測定光学系の光軸上に配置されたミラーであり、被検眼への光の入射角度及び入射位置を変更し、
眼科装置は、そのミラーと被検眼との距離を調整する距離調整機構をさらに有する、請求項1〜5のいずれか一項に記載の眼科装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011023173A JP5823133B2 (ja) | 2011-02-04 | 2011-02-04 | 眼科装置 |
EP12151322.0A EP2484273B1 (en) | 2011-02-04 | 2012-01-16 | Ophthalmologic apparatus and a control method thereof |
US13/355,974 US9119571B2 (en) | 2011-02-04 | 2012-01-23 | Ophthalmologic apparatus |
US14/802,913 US9999349B2 (en) | 2011-02-04 | 2015-07-17 | Ophthalmologic apparatus for measuring position of measuring portion inside eye |
US15/982,948 US20180279873A1 (en) | 2011-02-04 | 2018-05-17 | Ophthalmologic apparatus |
Applications Claiming Priority (1)
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JP2011023173A JP5823133B2 (ja) | 2011-02-04 | 2011-02-04 | 眼科装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015198802A Division JP6105020B2 (ja) | 2015-10-06 | 2015-10-06 | 眼科装置 |
Publications (2)
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JP2012161425A true JP2012161425A (ja) | 2012-08-30 |
JP5823133B2 JP5823133B2 (ja) | 2015-11-25 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011023173A Active JP5823133B2 (ja) | 2011-02-04 | 2011-02-04 | 眼科装置 |
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US (3) | US9119571B2 (ja) |
EP (1) | EP2484273B1 (ja) |
JP (1) | JP5823133B2 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015043844A (ja) * | 2013-08-28 | 2015-03-12 | 株式会社ニデック | 眼科撮影装置及び眼科撮影プログラム |
JP2015062482A (ja) * | 2013-09-24 | 2015-04-09 | 株式会社トーメーコーポレーション | 眼科装置 |
JP2015154802A (ja) * | 2014-02-20 | 2015-08-27 | 株式会社トーメーコーポレーション | 眼寸法測定装置 |
JP2016030026A (ja) * | 2014-07-28 | 2016-03-07 | 株式会社トーメーコーポレーション | 眼科装置 |
JP2016041162A (ja) * | 2014-08-18 | 2016-03-31 | 株式会社トーメーコーポレーション | 前眼部解析装置 |
JP2018114230A (ja) * | 2017-01-20 | 2018-07-26 | 株式会社トプコン | 眼科装置 |
JP2018149284A (ja) * | 2017-03-14 | 2018-09-27 | 株式会社トプコン | 涙液層厚み測定装置及び方法 |
JP2020199210A (ja) * | 2019-06-13 | 2020-12-17 | 株式会社トプコン | 眼科装置及び眼科装置の制御方法 |
EP4282319A1 (en) | 2022-05-27 | 2023-11-29 | Tomey Corporation | Ophthalmic device |
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JP5823133B2 (ja) | 2011-02-04 | 2015-11-25 | 株式会社トーメーコーポレーション | 眼科装置 |
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TW201509369A (zh) * | 2013-09-14 | 2015-03-16 | Crystalvue Medical Corp | 光學裝置及其運作方法 |
US11744489B2 (en) * | 2017-05-12 | 2023-09-05 | National University Of Singapore | Noninvasive optical sensor for analyzing a level of a substance in a subject by illuminating the sclera |
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JPH07222716A (ja) * | 1994-02-09 | 1995-08-22 | Topcon Corp | 眼科装置 |
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2012
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2015
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2018
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Cited By (17)
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JP2015043844A (ja) * | 2013-08-28 | 2015-03-12 | 株式会社ニデック | 眼科撮影装置及び眼科撮影プログラム |
US10405744B2 (en) | 2013-09-24 | 2019-09-10 | Tomey Corporation | Ophthalmological device |
JP2015062482A (ja) * | 2013-09-24 | 2015-04-09 | 株式会社トーメーコーポレーション | 眼科装置 |
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JP2015154802A (ja) * | 2014-02-20 | 2015-08-27 | 株式会社トーメーコーポレーション | 眼寸法測定装置 |
JP2016030026A (ja) * | 2014-07-28 | 2016-03-07 | 株式会社トーメーコーポレーション | 眼科装置 |
JP2016041162A (ja) * | 2014-08-18 | 2016-03-31 | 株式会社トーメーコーポレーション | 前眼部解析装置 |
JP2018114230A (ja) * | 2017-01-20 | 2018-07-26 | 株式会社トプコン | 眼科装置 |
JP2018149284A (ja) * | 2017-03-14 | 2018-09-27 | 株式会社トプコン | 涙液層厚み測定装置及び方法 |
JP2022009387A (ja) * | 2017-03-14 | 2022-01-14 | 株式会社トプコン | 涙液層厚み測定装置及び方法 |
JP2022023161A (ja) * | 2017-03-14 | 2022-02-07 | 株式会社トプコン | 涙液層厚み測定装置及び方法 |
JP7068869B2 (ja) | 2017-03-14 | 2022-05-17 | 株式会社トプコン | 涙液層厚み測定装置及び方法 |
JP7219324B2 (ja) | 2017-03-14 | 2023-02-07 | 株式会社トプコン | 涙液層厚み測定装置及び方法 |
JP7219323B2 (ja) | 2017-03-14 | 2023-02-07 | 株式会社トプコン | 涙液層厚み測定装置及び方法 |
JP2020199210A (ja) * | 2019-06-13 | 2020-12-17 | 株式会社トプコン | 眼科装置及び眼科装置の制御方法 |
JP7317582B2 (ja) | 2019-06-13 | 2023-07-31 | 株式会社トプコン | 眼科装置及び眼科装置の制御方法 |
EP4282319A1 (en) | 2022-05-27 | 2023-11-29 | Tomey Corporation | Ophthalmic device |
Also Published As
Publication number | Publication date |
---|---|
JP5823133B2 (ja) | 2015-11-25 |
EP2484273A1 (en) | 2012-08-08 |
US20150320309A1 (en) | 2015-11-12 |
EP2484273B1 (en) | 2017-04-05 |
US9119571B2 (en) | 2015-09-01 |
US9999349B2 (en) | 2018-06-19 |
US20180279873A1 (en) | 2018-10-04 |
US20120200827A1 (en) | 2012-08-09 |
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