JP7390793B2 - 眼科装置 - Google Patents
眼科装置 Download PDFInfo
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- JP7390793B2 JP7390793B2 JP2019021004A JP2019021004A JP7390793B2 JP 7390793 B2 JP7390793 B2 JP 7390793B2 JP 2019021004 A JP2019021004 A JP 2019021004A JP 2019021004 A JP2019021004 A JP 2019021004A JP 7390793 B2 JP7390793 B2 JP 7390793B2
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- 210000001508 eye Anatomy 0.000 claims description 415
- 238000005259 measurement Methods 0.000 claims description 124
- 238000003384 imaging method Methods 0.000 claims description 14
- 210000000695 crystalline len Anatomy 0.000 description 56
- 238000000034 method Methods 0.000 description 34
- 230000007246 mechanism Effects 0.000 description 31
- 230000003287 optical effect Effects 0.000 description 30
- 210000005252 bulbus oculi Anatomy 0.000 description 26
- 238000012360 testing method Methods 0.000 description 25
- 230000008569 process Effects 0.000 description 23
- 230000004907 flux Effects 0.000 description 16
- 210000003128 head Anatomy 0.000 description 12
- 230000033001 locomotion Effects 0.000 description 12
- 230000011514 reflex Effects 0.000 description 12
- 210000004087 cornea Anatomy 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 10
- 210000001747 pupil Anatomy 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 210000001061 forehead Anatomy 0.000 description 5
- 238000012014 optical coherence tomography Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000004410 intraocular pressure Effects 0.000 description 3
- 230000004304 visual acuity Effects 0.000 description 3
- 102000011782 Keratins Human genes 0.000 description 2
- 108010076876 Keratins Proteins 0.000 description 2
- 230000002350 accommodative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003511 endothelial effect Effects 0.000 description 2
- 210000000744 eyelid Anatomy 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 208000001491 myopia Diseases 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 210000001525 retina Anatomy 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 230000004424 eye movement Effects 0.000 description 1
- 230000004418 eye rotation Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 201000003004 ptosis Diseases 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
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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
- A61B3/14—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
-
- 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
-
- 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
- A61B3/11—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils
- A61B3/111—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils for measuring interpupillary distance
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0012—Biomedical image inspection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30041—Eye; Retina; Ophthalmic
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
- G06T2219/20—Indexing scheme for editing of 3D models
- G06T2219/2004—Aligning objects, relative positioning of parts
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Ophthalmology & Optometry (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computer Graphics (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Quality & Reliability (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Eye Examination Apparatus (AREA)
Description
なお、基準算出部28bは、輝点領域の重心を求め、この重心位置を各被検眼画像Ieにおける輝点像Brの座標としてもよい。
xy方向の分解能(平面分解能):Δxy=H×Δp/f
z方向の分解能(奥行き分解能):Δz=H×H×Δp/(B×f)
このように、両カメラ27からの被検眼画像Ieでは、Z方向のズレを画素位置のズレとして検出することができるので、両カメラ27の画素分解能に応じてZ方向の位置を検出できる。
Claims (4)
- 被検者の両方の被検眼に個別に対応して設けられて前記被検眼の情報を取得する眼情報取得部と、
各前記眼情報取得部に個別に対応して設けられて前記被検眼を撮影する撮影部と、
各前記撮影部により撮影された各被検眼画像における3次元基準位置を求める基準算出部と、
2つの前記3次元基準位置から両前記被検眼の相対位置の傾きを示す傾斜情報を求める傾斜算出部と、
前記傾斜算出部が求めた前記傾斜情報の報知を可能とする報知部と、を備え、
前記報知部は、前記被検眼に対する各前記眼情報取得部のアライメントを行った際、前記傾斜情報が第1基準値を超えた場合に前記傾斜情報を報知し、
前記傾斜情報が基準値を超えていない場合には、予備的に前記被検眼の概略の眼屈折力を測定するラフ測定を行い、
前記ラフ測定の後には前記被検眼に対する各前記眼情報取得部の再アライメントを行ってから、前記眼情報取得部による前記被検眼の情報の取得し、
前記報知部は、前記アライメントから前記ラフ測定の前までの場面以外では、前記第1基準値よりも緩やかな第2基準値を超えた場合に前記傾斜情報を報知することを特徴とする眼科装置。 - 請求項1に記載の眼科装置であって、
さらに、両方の前記被検眼に個別に対応して設けられて、輝点像を形成するための光を前記被検眼に投光する基準投光部を備え、
前記基準算出部は、前記被検眼画像における前記輝点像の3次元位置を求めて前記3次元基準位置とすることを特徴とする眼科装置。 - 2つの前記撮影部は、それぞれが対応する前記被検眼を異なる方向から撮影する2つ以上の撮影装置を有し、
前記基準算出部は、複数の前記撮影装置により撮影された複数の前記被検眼画像に基づいて、前記輝点像の3次元位置を求めることを特徴とする請求項2に記載の眼科装置。 - 前記基準算出部は、前記被検眼画像における前記輝点像の態様に基づいて、前記輝点像の3次元位置を求めることを特徴とする請求項2に記載の眼科装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019021004A JP7390793B2 (ja) | 2019-02-07 | 2019-02-07 | 眼科装置 |
US16/773,088 US11471049B2 (en) | 2019-02-07 | 2020-01-27 | Ophthalmologic apparatus |
EP20155606.5A EP3692891B1 (en) | 2019-02-07 | 2020-02-05 | Ophthalmologic apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019021004A JP7390793B2 (ja) | 2019-02-07 | 2019-02-07 | 眼科装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020127588A JP2020127588A (ja) | 2020-08-27 |
JP7390793B2 true JP7390793B2 (ja) | 2023-12-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019021004A Active JP7390793B2 (ja) | 2019-02-07 | 2019-02-07 | 眼科装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11471049B2 (ja) |
EP (1) | EP3692891B1 (ja) |
JP (1) | JP7390793B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021020388A1 (ja) * | 2019-07-31 | 2021-02-04 | 瑶一▲郎▼ 小林 | 眼球撮像装置および診断サポートシステム |
JP2024049215A (ja) * | 2022-09-28 | 2024-04-09 | 株式会社トプコン | 眼科装置 |
WO2024097230A1 (en) * | 2022-10-31 | 2024-05-10 | Canon Virginia, Inc. | Imaging optical system and measurement device |
CN116616695B (zh) * | 2023-04-07 | 2024-05-14 | 瑞尔明康(浙江)医疗科技有限公司 | 人眼光学特征获取方法、大视场验光装置及验光系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014147417A (ja) | 2013-01-30 | 2014-08-21 | Nidek Co Ltd | 自覚式眼屈折力測定装置 |
JP2018089079A (ja) | 2016-12-01 | 2018-06-14 | 株式会社ニデック | 自覚式検眼装置 |
JP2018166634A (ja) | 2017-03-29 | 2018-11-01 | 株式会社トプコン | 眼科装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09224911A (ja) * | 1996-02-27 | 1997-09-02 | Canon Inc | 眼科装置 |
JP5704946B2 (ja) * | 2011-02-04 | 2015-04-22 | 株式会社ニデック | 眼科撮影装置 |
JP5772117B2 (ja) * | 2011-03-22 | 2015-09-02 | 株式会社ニデック | 眼底撮影装置 |
FR2984716B1 (fr) * | 2011-12-22 | 2013-12-27 | Essilor Int | Dispositif et procede de determination d'au moins un parametre de refraction oculaire objective d'un sujet en fonction d'une pluralite de directions de regard |
US10228562B2 (en) | 2014-02-21 | 2019-03-12 | Sony Interactive Entertainment Inc. | Realtime lens aberration correction from eye tracking |
-
2019
- 2019-02-07 JP JP2019021004A patent/JP7390793B2/ja active Active
-
2020
- 2020-01-27 US US16/773,088 patent/US11471049B2/en active Active
- 2020-02-05 EP EP20155606.5A patent/EP3692891B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014147417A (ja) | 2013-01-30 | 2014-08-21 | Nidek Co Ltd | 自覚式眼屈折力測定装置 |
JP2018089079A (ja) | 2016-12-01 | 2018-06-14 | 株式会社ニデック | 自覚式検眼装置 |
JP2018166634A (ja) | 2017-03-29 | 2018-11-01 | 株式会社トプコン | 眼科装置 |
Also Published As
Publication number | Publication date |
---|---|
US20200253472A1 (en) | 2020-08-13 |
JP2020127588A (ja) | 2020-08-27 |
EP3692891B1 (en) | 2021-08-18 |
US11471049B2 (en) | 2022-10-18 |
EP3692891A1 (en) | 2020-08-12 |
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