JP2011104315A - 光束の二重交差による正立広角眼底観察レンズ - Google Patents
光束の二重交差による正立広角眼底観察レンズ Download PDFInfo
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- JP2011104315A JP2011104315A JP2009277982A JP2009277982A JP2011104315A JP 2011104315 A JP2011104315 A JP 2011104315A JP 2009277982 A JP2009277982 A JP 2009277982A JP 2009277982 A JP2009277982 A JP 2009277982A JP 2011104315 A JP2011104315 A JP 2011104315A
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- ocular fundus
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- 230000004907 flux Effects 0.000 title description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000004087 cornea Anatomy 0.000 description 1
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Abstract
【解決手段】複数の高屈折レンズ1、2、3、4、5を円筒状の外筒6により固定し、内部で観察光を二回交差させ、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 レンズ[4]
5 レンズ[5]
6 外筒
7 眼球
8 観察光の光束
Claims (1)
- 複数のレンズを用いて観察光を二重に交差させることにより、眼底の正立像を得る広角観察レンズ。
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JP2009277982A JP5266557B2 (ja) | 2009-11-16 | 2009-11-16 | 光束の二重交差による正立広角眼底観察レンズ |
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JP2011104315A true JP2011104315A (ja) | 2011-06-02 |
JP5266557B2 JP5266557B2 (ja) | 2013-08-21 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH119554A (ja) * | 1997-06-27 | 1999-01-19 | Nikon Corp | 眼底観察用レンズ |
JPH11235315A (ja) * | 1998-02-20 | 1999-08-31 | Nikon Corp | レーザ検眼鏡 |
JP2000504251A (ja) * | 1996-10-24 | 2000-04-11 | フォルク オプティカル インコーポレイテッド | 検眼鏡観察装置 |
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2009
- 2009-11-16 JP JP2009277982A patent/JP5266557B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000504251A (ja) * | 1996-10-24 | 2000-04-11 | フォルク オプティカル インコーポレイテッド | 検眼鏡観察装置 |
JPH119554A (ja) * | 1997-06-27 | 1999-01-19 | Nikon Corp | 眼底観察用レンズ |
JPH11235315A (ja) * | 1998-02-20 | 1999-08-31 | Nikon Corp | レーザ検眼鏡 |
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