This translucent eye chart uses Sloan optotype. Optotypes are figures or letters of different sizes used in testing the acuity of vision. Each optotype has been calibrated for size, difficulty, threshold blur, and dimension. Each line is arranged equally. This eye test also includes two smaller groups for repetitive testing without memorization.
Shipping Weight: 1 lbs
Shipping Dimensions:17 × 11 × 1 in
Translucent Chart: Yes
MassVAT Chart: No
Cord: No
Chart Size (Inches): 9×14 in
Chart Notations - 10 foot: 10/80 to 10/8
Chart Size (cm): 23×35.5 cm
ETDRS Format: No
Optotype Arrangement: Logarithmic Progression - Not ETDRS
Utilize with which Cabinet: 914/930
Utilize with a Cabinet: Yes
Contrast Level: High
Patient Type: General/Literate
Optotype: SLOAN
Testing Distance: 3m / 10ft