JP4615891B2 - 眼底カメラ - Google Patents
眼底カメラ Download PDFInfo
- Publication number
- JP4615891B2 JP4615891B2 JP2004135666A JP2004135666A JP4615891B2 JP 4615891 B2 JP4615891 B2 JP 4615891B2 JP 2004135666 A JP2004135666 A JP 2004135666A JP 2004135666 A JP2004135666 A JP 2004135666A JP 4615891 B2 JP4615891 B2 JP 4615891B2
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- fundus
- photographing
- eye
- image
- 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
Description
8 モニタ
10 照明光学系
14 撮影光源
30 眼底観察・撮影光学系
35 CCDカメラ
50 アライメント指標投影光学系
51 光源
52 コリメーティングレンズ
53 光源
60 前眼部観察光学系
65 CCDカメラ
70 固視標光学系
71 固視標
71a〜h 固視標
72 視標板
73 モータ
74 光源
80 画像処理部
81 制御部
84 スイッチ部
84a スイッチ
84b スイッチ
84c スイッチ
84d スイッチ
Claims (1)
- 撮影用照明光源により被検眼眼底を照明する照明光学系と、該照明光により照明された被検眼眼底を撮影する撮影光学系とを備える眼底カメラにおいて、被検眼の視線を誘導するための固視標の呈示位置を中心部と周辺部の撮影用に変更可能な固視標呈示手段と、該固視標呈示手段により被検眼の視線を誘導した状態で被検眼の瞳孔を含む前眼部像を撮影するための前眼部観察光学系と、該前眼部観察光学系により得られる前眼部画像を画像処理して瞳孔中心を求めるとともに,前記画像処理により得られる角膜頂点位置と瞳孔中心のずれ,または撮影光軸と瞳孔中心のずれに基づいて前記撮影光学系で撮影される眼底部位を予測する予測手段と、該予測手段の予測結果に基づいて前記照明光学系の照明光量を変える光量制御手段と、を備えることを特徴とする眼底カメラ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004135666A JP4615891B2 (ja) | 2004-04-30 | 2004-04-30 | 眼底カメラ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004135666A JP4615891B2 (ja) | 2004-04-30 | 2004-04-30 | 眼底カメラ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005312751A JP2005312751A (ja) | 2005-11-10 |
JP4615891B2 true JP4615891B2 (ja) | 2011-01-19 |
Family
ID=35440813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004135666A Expired - Fee Related JP4615891B2 (ja) | 2004-04-30 | 2004-04-30 | 眼底カメラ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4615891B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4886389B2 (ja) * | 2006-06-29 | 2012-02-29 | 株式会社ニデック | 眼底カメラ |
WO2008062527A1 (fr) * | 2006-11-24 | 2008-05-29 | Nidek Co., Ltd. | Dispositif de photographie de fond d'œil |
EP3738501A4 (en) * | 2018-01-10 | 2022-03-02 | Nidek Co., Ltd. | Fundus Imaging Device |
JP6958367B2 (ja) * | 2018-01-10 | 2021-11-02 | 株式会社ニデック | 眼底撮影装置 |
JP7266375B2 (ja) * | 2018-09-04 | 2023-04-28 | 株式会社トプコン | 眼科装置及びその作動方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001258852A (ja) * | 2000-03-23 | 2001-09-25 | Kowa Co | 眼底撮影装置 |
-
2004
- 2004-04-30 JP JP2004135666A patent/JP4615891B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001258852A (ja) * | 2000-03-23 | 2001-09-25 | Kowa Co | 眼底撮影装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2005312751A (ja) | 2005-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4047255B2 (ja) | 眼底カメラ | |
JP4937792B2 (ja) | 眼底カメラ | |
JP6003292B2 (ja) | 眼底撮影装置 | |
JP4774304B2 (ja) | 眼底カメラ | |
JP4138533B2 (ja) | 眼底カメラ | |
JP4359489B2 (ja) | 眼底カメラ | |
JP4268861B2 (ja) | 眼底カメラ | |
JP2006149981A (ja) | 眼底カメラ | |
JP5554610B2 (ja) | 眼底撮影装置 | |
JP4886388B2 (ja) | 眼底カメラ | |
JP5545982B2 (ja) | 眼底カメラ | |
JP4886387B2 (ja) | 眼底カメラ | |
JP4774305B2 (ja) | 眼底カメラ | |
JP4359527B2 (ja) | 眼底カメラ | |
JP2012192009A (ja) | 眼底撮影装置 | |
JP4886389B2 (ja) | 眼底カメラ | |
JP4615891B2 (ja) | 眼底カメラ | |
JP5328517B2 (ja) | 眼底撮影装置 | |
JP4481727B2 (ja) | 眼底カメラ | |
JP2006116090A (ja) | 眼底カメラ | |
JP5522629B2 (ja) | 眼底撮影装置 | |
JP4492854B2 (ja) | 眼底カメラ | |
JP5807701B2 (ja) | 眼底撮影装置 | |
JP5199008B2 (ja) | 眼底カメラ | |
JP6292331B2 (ja) | 眼底撮影装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070220 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100128 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100210 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100412 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100616 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100922 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20101021 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4615891 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131029 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |