JPH0471901U - - Google Patents
Info
- Publication number
- JPH0471901U JPH0471901U JP11676490U JP11676490U JPH0471901U JP H0471901 U JPH0471901 U JP H0471901U JP 11676490 U JP11676490 U JP 11676490U JP 11676490 U JP11676490 U JP 11676490U JP H0471901 U JPH0471901 U JP H0471901U
- Authority
- JP
- Japan
- Prior art keywords
- optotype
- optotypes
- lenses
- eyes
- visible light
- 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.)
- Pending
Links
- 230000004424 eye movement Effects 0.000 claims 1
- 230000000007 visual effect Effects 0.000 claims 1
Landscapes
- Eye Examination Apparatus (AREA)
Description
第１図は本考案装置の平面図、第２図は左側面
図、第３図は視標のみを示した一部省略正面図で
ある。
１……視標呈示装置、２，２′……視標、３…
…可視光源、４，４′，５，６……偏光フイルタ
ー、７，８……レンズ、９……プリズム、１０…
…視標位置調整装置。
FIG. 1 is a plan view of the device of the present invention, FIG. 2 is a left side view, and FIG. 3 is a partially omitted front view showing only the optotype. 1... Optotype presentation device, 2, 2'... Optotype, 3...
... Visible light source, 4, 4', 5, 6... Polarizing filter, 7, 8... Lens, 9... Prism, 10...
...Target position adjustment device.
Claims (1)
りも近い位置に配設し、ＬＥＤその他の可視光源
を設けた２つの視標と、これら視標の前面に設け
た偏光フイルターと、両眼の眼前にそれぞれ一方
の視標の光だけを透過する偏光フイルターを介し
て設けられ且つ視標の像を明視距離以遠に結ぶよ
うにした２つのレンズと、前記視標前面と眼の間
に設けられ、前記可視光を屈折するよう配設した
１個又は複数のプリズムと、両眼でそれぞれレン
ズを通して見える視標像が一つに重なり合うよう
調整可能とした視標位置調整装置と、から成るこ
とを特徴とする眼球運動検査用視標呈示装置。 Two optotypes are arranged in close proximity to each other at shifted positions and closer than the clear visual distance, and are provided with LEDs and other visible light sources, polarizing filters installed in front of these optotypes, and a light source in front of both eyes. two lenses each provided through a polarizing filter that transmits only the light of one of the optotypes and focusing the image of the optotype beyond the distance of clear vision, and a lens provided between the front surface of the optotype and the eye. , comprising one or more prisms arranged to refract the visible light, and an optotype position adjustment device that can be adjusted so that the optotype images seen through the lenses of both eyes are superimposed on one another. Characteristic optotype presentation device for eye movement testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11676490U JPH0471901U (en) | 1990-11-07 | 1990-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11676490U JPH0471901U (en) | 1990-11-07 | 1990-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0471901U true JPH0471901U (en) | 1992-06-25 |
Family
ID=31864602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11676490U Pending JPH0471901U (en) | 1990-11-07 | 1990-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0471901U (en) |
-
1990
- 1990-11-07 JP JP11676490U patent/JPH0471901U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02134130A (en) | Non-contact sight line detector | |
| US7043152B2 (en) | Eye image pickup device | |
| JPS58166305U (en) | eye refraction measuring device | |
| JPS644415U (en) | ||
| JPS6338120U (en) | ||
| JPH0290881U (en) | ||
| JPS6374102U (en) | ||
| JP3884864B2 (en) | Eye refractometer | |
| JPH0140482Y2 (en) | ||
| JPS5862337U (en) | Display device in real image viewfinder | |
| JPH01177729U (en) | ||
| JPH02109348U (en) | ||
| JPS6088901U (en) | Operation stand for ophthalmological optical equipment | |
| JPH0442814Y2 (en) | ||
| JPS6420804U (en) | ||
| JPS6239702U (en) | ||
| JPS6094201U (en) | indirect mirror | |
| JPS5968329U (en) | Camera data imprinting device | |
| JPS649242U (en) | ||
| JP2001108942A (en) | System for projecting video to spectacle lens | |
| JPH03103486U (en) | ||
| JPS62151519U (en) | ||
| JPH01155043U (en) | ||
| JPH0274005U (en) | ||
| JPS6434611U (en) |