JPS63100004U - - Google Patents
Info
- Publication number
- JPS63100004U JPS63100004U JP19312086U JP19312086U JPS63100004U JP S63100004 U JPS63100004 U JP S63100004U JP 19312086 U JP19312086 U JP 19312086U JP 19312086 U JP19312086 U JP 19312086U JP S63100004 U JPS63100004 U JP S63100004U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- ophthalmoscope
- eyeballs
- subject
- light source
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims 4
- 210000005252 bulbus oculi Anatomy 0.000 claims 2
- 238000005286 illumination Methods 0.000 claims 2
Landscapes
- Eye Examination Apparatus (AREA)
Description
第1図は本考案を手持直像検眼鏡に適用した一
例の側断面図、第2図は第1図の検眼鏡と同タイ
プの従来の手持直像検眼鏡の側断面図、第3図は
偏光板の一例の正面図である。
1……ボデー、2……電球、3……集光レンズ
、4……絞り、5……対物レンズ、6……ミラー
、7……入反射光の窓、8……観察レンズ、9…
…観察窓、10……偏光フイルタ、11……取付
軸。
Fig. 1 is a side sectional view of an example of the present invention applied to a hand-held direct vision ophthalmoscope, Fig. 2 is a side sectional view of a conventional hand-held direct vision ophthalmoscope of the same type as the ophthalmoscope shown in Fig. 1, and Fig. 3 is a front view of an example of a polarizing plate. 1...Body, 2...Light bulb, 3...Condenser lens, 4...Aperture, 5...Objective lens, 6...Mirror, 7...Window for incident and reflected light, 8...Observation lens, 9...
...Observation window, 10...Polarizing filter, 11...Mounting shaft.
Claims (1)
光源の光で被験者の眼球を照射する照明光学系と
、この照明光学系の反射光路上におかれて被験者
の眼球を観察するためのレンズ等からなる観察光
学系とを具備した検眼鏡に於て、前記照明光学系
の反射光路上であつて観察光軸の軸上に偏光軸の
角度を変更できるようにした直線偏光板を挿入し
たことを特徴とする角膜反射を少なくした検眼鏡
。 An illumination optical system consisting of a light source, a condensing lens, an aperture mirror, etc., which illuminates the subject's eyeballs with light from the light source, and a lens, etc., placed on the reflective optical path of this illumination optical system to observe the subject's eyeballs. In an ophthalmoscope equipped with an observation optical system of An ophthalmoscope that features reduced corneal reflection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19312086U JPH0140482Y2 (en) | 1986-12-17 | 1986-12-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19312086U JPH0140482Y2 (en) | 1986-12-17 | 1986-12-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63100004U true JPS63100004U (en) | 1988-06-29 |
JPH0140482Y2 JPH0140482Y2 (en) | 1989-12-04 |
Family
ID=31148847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19312086U Expired JPH0140482Y2 (en) | 1986-12-17 | 1986-12-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0140482Y2 (en) |
-
1986
- 1986-12-17 JP JP19312086U patent/JPH0140482Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0140482Y2 (en) | 1989-12-04 |
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