Non-reflecting, matte finish.
The Tumbling E vision chart is great for use with patients that are not familiar with the Roman alphabet. These patients simply have to gesture the direction they see the optotype since there is only one. This optotype is placed in four different directions; up, down, left, and right. The Tumbling E chart is considered highly reliable and accurate. It is great for the detection of Astigmatism.
Tumbling E optotypes were developed in 1976 by Taylor. The Tumbling or Illiterate E optotypes are the closest optotypes to gratings. Also, Tumbling E tests have the best acuity thresholds and are one of the most reliable of the alternative visual acuity charts.
Shipping Dimensions: 27 × 12 × 1 in
Translucent Chart: No
MassVAT Chart: No
Chart Size (Inches): 24 × 11 in
Chart Notations - Munit: 61M to 3.05M
Chart Size (cm): 23×35.5 cm
ETDRS Format: No
Utilize with a Cabinet: None
Contrast Level: High
Patient Type: General/Literate, Preliterate
Optotype Arrangement: Fixed-Non-Log Size/Spacing
Optotype: TUMBLING E
Testing Distance: 6m / 20ft