Two smaller groups 7.5M to 1.5M for repetitive testing (20/50, 6/15 to 20/10, 6/3 equiv.).
Can be wall-mounted.
The design of the Tumbling E is similar to that of grating stripes. This is helpful in the detection of Against the Rule Astigmatism. Also, the Tumbling E chart has proven to be nearly equal to the gold standard Landolt C chart when it comes to visual acuity thresholds. Tumbling E charts are useful for testing patients of multiple ages and languages.
Weight: 2 lbs
Dimensions: 20 × 13 × 1 in
Cord: No
Chart Distance: 3m / 10ft
Utilize with which Cabinet: None
Contrast Level: High
Patient Type: General/Literate, Preliterate
Optotype: TUMBLING E
Optotype Arrangement: ETDRS Format - Logarithmic
ETDRS Format: Yes
MassVAT Chart: No
Translucent Chart: No
Utilize with a Cabinet: No
Chart Size (Inches): 18×18 in
Chart Size (cm): 45.5×45.5 cm
Chart Size Other (inches): folds 18×9 in
Chart Size Other (cm): folds 45.5×23 cm
Chart Notations - Munit: 30M to 1.5M
Chart Notations - Snellen: 20/200 to 20/10
Chart Notations - LogMAR: 1.0 to -0.3
Chart Notations - Decimal: .10 to 2.00
Chart Notations - 6 meter: 6/60 to 6/3
Chart Notations - 10 foot: 10/100 to 10/5
