JP2011104316A - 光束の収束および拡散による正立広角眼底観察レンズ - Google Patents
光束の収束および拡散による正立広角眼底観察レンズ Download PDFInfo
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- JP2011104316A JP2011104316A JP2009277983A JP2009277983A JP2011104316A JP 2011104316 A JP2011104316 A JP 2011104316A JP 2009277983 A JP2009277983 A JP 2009277983A JP 2009277983 A JP2009277983 A JP 2009277983A JP 2011104316 A JP2011104316 A JP 2011104316A
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- ocular fundus
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Abstract
【解決手段】複数の高屈折レンズ1、2、3を円筒状の外筒4により固定し、内部で観察光を一度収束させ、再び拡散させることで、眼底の広範囲の正立像が得られるようにする。
【選択図】図2
Description
2 レンズ[2]
3 レンズ[3]
4 外筒
5 眼球
6 観察光の光束
Claims (1)
- 複数のレンズを用いて観察光を一度収束させ、再び拡散させることにより、眼底の正立像を得る広角観察レンズ。
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JP2009277983A JP5266558B2 (ja) | 2009-11-16 | 2009-11-16 | 光束の収束および拡散による正立広角眼底観察レンズ |
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JP2009277983A JP5266558B2 (ja) | 2009-11-16 | 2009-11-16 | 光束の収束および拡散による正立広角眼底観察レンズ |
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JP2011104316A true JP2011104316A (ja) | 2011-06-02 |
JP5266558B2 JP5266558B2 (ja) | 2013-08-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103815869A (zh) * | 2014-03-21 | 2014-05-28 | 苏州微清医疗器械有限公司 | 一种手持式眼底照相机 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4978390A (ja) * | 1972-11-22 | 1974-07-29 | ||
JPS6030202U (ja) * | 1983-08-06 | 1985-03-01 | 株式会社 イナミ | 双眼検眼鏡 |
JPS61268231A (ja) * | 1985-05-23 | 1986-11-27 | 柏木 豊彦 | 眼底観察用コンタクトレンズ |
JPH10179523A (ja) * | 1996-12-26 | 1998-07-07 | Canon Inc | デジタルカメラ |
JPH119554A (ja) * | 1997-06-27 | 1999-01-19 | Nikon Corp | 眼底観察用レンズ |
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2009
- 2009-11-16 JP JP2009277983A patent/JP5266558B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4978390A (ja) * | 1972-11-22 | 1974-07-29 | ||
JPS6030202U (ja) * | 1983-08-06 | 1985-03-01 | 株式会社 イナミ | 双眼検眼鏡 |
JPS61268231A (ja) * | 1985-05-23 | 1986-11-27 | 柏木 豊彦 | 眼底観察用コンタクトレンズ |
JPH10179523A (ja) * | 1996-12-26 | 1998-07-07 | Canon Inc | デジタルカメラ |
JPH119554A (ja) * | 1997-06-27 | 1999-01-19 | Nikon Corp | 眼底観察用レンズ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103815869A (zh) * | 2014-03-21 | 2014-05-28 | 苏州微清医疗器械有限公司 | 一种手持式眼底照相机 |
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