D220 LED Visual chart

ITEM NAME :LED Vision chart


•Big size monitor, clear display 22" TFT-LED monitor,1920x1080 pixels, 250CD/m²
•3D polarization vision chart Apply to binocular balance test and stereo visual function test
•Optotypes can be changed randomly
•Result-speaking function When the patient answers with direction keys on the controller,the system will show the result by voice.
1. Unique intelligent function: Customer uses direction keys on the controller to answer instrument according to his/her judgment
of the optotypes randomly appeared on the screen, system automatically speaks out the best value of eyesight.
2. Screen brightness can be adjusted to be fit for the environment. The maximal screen brightness is 250cd/m² according to national
3. Delicate design, high definition display: This instrument is designed with professional video and audio multimedia processing
technology, with rapid response and convenient operation.
4. With Protecting function to ensure long life of the screen.
5. Compatible with multifold types of video and audio files.
6. Accurate and exact, effective distance is 1~6m, can be adjust to the minimum distance (1m) for crowded area.
7. With the maximum 3 lines and 8 rows of optotypes showing on screen, convenient for test.
8. Numerous option of optotypes: Landolt chart(C), Tumbling chart (E), Alphabet chart, children chart, numeric chart,
Astigmatic optotypes, cross optotypes, Binocular balance optotypes, Ishihara optotypes, and so on. 3D-type instrument is designed
with stereo polarization specially used for examine of stereo vision and binocular balance.
9. Convenient and quick installation: simply hang or place on solid surface, easy to maintenance.
10. LCD screen with the minimum 0.248mm of dot pitch and high resolution, vivid to display optotypes.
11. Powerful extended function: instrument can be used as a computer display, or as a multimedia player with U disc.
12. Allows to connect with AV or YPbPr signal;
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