Features:

1. It is a 3-sided bezel-less matte IPS monitor, the HD display size is 21.5-inch(1920X1080)

2. Optotypes charts: Tumbling E, Landolt C, Alphabet, Numbers, Children

3. Special functional charts: Ishihara, ETDRS, Cross cylinder, Astigmatic fan dial, Fixation spot, Cross grid, Contrast test, Horizontal coincidences, Vertical coincidences, Red & green balance, R&G mask, Black/White background etc.

4. The random presentation of optotypes could abolish memorization problems

5. The brightness of background and charts could be adjusted.

6. The contrast of the optotypes is adjustable.

7. Red/Green mask color could be adjusted to match various types of red and green glasses.

8. ETDRS includes an indicator stick function(optional).

9. The software could be upgraded by USB

10. Remote control APP is available on Android phone.

Specifications: