Red and Green color bars for an easy and helpful place to start administering the test.
Tumbling or Illiterate E charts have one of the best visual acuity thresholds among alternate symbol acuity tests. Tumbling E tests are considered comparable to Landolt C tests which are considered the basis of alternate symbol tests. Great for the detection of Astigmatism.
Shipping Dimensions:17 × 11 × 1 in
Translucent Chart: Yes
MassVAT Chart: No
Chart Size (Inches): 9×14 in
Chart Notations - Snellen: 20/100 to 20/16
Chart Size (cm): 23×35.5 cm
ETDRS Format: No
Utilize with which Cabinet: 914/930
Utilize with a Cabinet: Yes
Contrast Level: High
Patient Type: General/Literate, Preliterate
Optotype Arrangement: Logarithmic Progression - Not ETDRS
Optotype: TUMBLING E
Testing Distance: 3m / 10ft