JP5086990B2 - 眼科検査装置 - Google Patents
眼科検査装置 Download PDFInfo
- Publication number
- JP5086990B2 JP5086990B2 JP2008507285A JP2008507285A JP5086990B2 JP 5086990 B2 JP5086990 B2 JP 5086990B2 JP 2008507285 A JP2008507285 A JP 2008507285A JP 2008507285 A JP2008507285 A JP 2008507285A JP 5086990 B2 JP5086990 B2 JP 5086990B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- alignment
- examination
- eye
- stimulation
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 230000000638 stimulation Effects 0.000 claims description 61
- 238000005259 measurement Methods 0.000 claims description 16
- 210000004087 cornea Anatomy 0.000 claims description 11
- 210000001525 retina Anatomy 0.000 claims description 10
- 230000001678 irradiating effect Effects 0.000 claims description 9
- 230000004397 blinking Effects 0.000 claims description 7
- 230000036982 action potential Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 description 11
- 238000003384 imaging method Methods 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 7
- 238000005286 illumination Methods 0.000 description 6
- 230000002207 retinal effect Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 210000001747 pupil Anatomy 0.000 description 4
- 230000004936 stimulating effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 206010025421 Macule Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000002911 mydriatic effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
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
- A61B3/10—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
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/398—Electrooculography [EOG], e.g. detecting nystagmus; Electroretinography [ERG]
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth 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)
- Pathology (AREA)
- Eye Examination Apparatus (AREA)
Description
被検眼眼底に刺激光を照射して網膜に発生する活動電位を測定し局所ERG検査を行う眼科検査装置であって、
被検眼に赤外光と可視光からなるアライメント光を照射する機構を持ち、
前記アライメント光の赤外成分の角膜からの反射光を観察して被検眼とのアライメントを行い、
前記アライメント光の可視光成分の光を、局所ERG検査を行う時の背景光として検査を行うことを特徴とする。
40 撮像装置
50 刺激光光源ユニット
51 刺激光光源
57 レバー
58 拡散板
60 指標円板
62 レバー
63 モータ
94 ワーキングディスタンス用光源
Claims (5)
- 被検眼眼底に刺激光を照射して網膜に発生する活動電位を測定し局所ERG検査を行う眼科検査装置であって、
被検眼に赤外光と可視光からなるアライメント光を照射する機構を持ち、
前記アライメント光の赤外成分の角膜からの反射光を観察して被検眼とのアライメントを行い、
前記アライメント光の可視光成分の光を、局所ERG検査を行う時の背景光として検査を行うことを特徴とする眼科検査装置。 - 前記アライメント光の光量を設定する手段を有し、
前記局所ERG検査時、前記アライメント光を、アライメント時とは異なる光量および/または波長成分に設定して眼底に照射することを特徴とする請求項1に記載の眼科検査装置。 - 前記局所ERG検査のアライメント時、刺激光の光量および/または波長成分を局所ERG検査の測定時と異なる光量で眼底に照射し、被検眼とのアライメントを行うことを特徴とする請求項1に記載の眼科検査装置。
- 前記局所ERG検査のアライメント時、刺激光を所定の点滅周期で点滅させることを特徴とする請求項3に記載の眼科検査装置。
- 被検眼に対して装置本体を水平面上で移動させるためのジョイスティックを備え、該ジョイスティックに、局所ERG検査を開始するためのスイッチを設けることを特徴とする請求項1から4のいずれか1項に記載の眼科検査装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/054914 WO2008111166A1 (ja) | 2007-03-13 | 2007-03-13 | 眼科検査装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008054447A Division JP2010142253A (ja) | 2008-03-05 | 2008-03-05 | 眼科用光刺激装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008111166A1 JPWO2008111166A1 (ja) | 2010-06-24 |
JP5086990B2 true JP5086990B2 (ja) | 2012-11-28 |
Family
ID=39759117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008507285A Expired - Fee Related JP5086990B2 (ja) | 2007-03-13 | 2007-03-13 | 眼科検査装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5086990B2 (ja) |
WO (1) | WO2008111166A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010240177A (ja) * | 2009-04-07 | 2010-10-28 | Kowa Co | 眼光刺激装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005323815A (ja) * | 2004-05-14 | 2005-11-24 | Kowa Co | 眼科検査装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58188426A (ja) * | 1982-04-28 | 1983-11-02 | 株式会社高木製作所 | Erg検査用光刺激装置 |
-
2007
- 2007-03-13 WO PCT/JP2007/054914 patent/WO2008111166A1/ja active Application Filing
- 2007-03-13 JP JP2008507285A patent/JP5086990B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005323815A (ja) * | 2004-05-14 | 2005-11-24 | Kowa Co | 眼科検査装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2008111166A1 (ja) | 2010-06-24 |
WO2008111166A1 (ja) | 2008-09-18 |
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