HOTV ETDRS Chart with 50% Crowding Bars (Scrambled)

This chart features HOTV optotypes with 50% spaced contour interaction bars to provide single optotype acuity with the proper crowding effect. Optotype line sizes range from 13/66 to 13/6.5 (4/20 to 4/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Similar to the 500035 HOTV ETDRS Crowded Bar Chart, but with optotypes in scrambled order for repetitive testing.

ESV3000 ETDRS Clinical Trial Standardized Viewer and ESC2000 Illuminated ETDRS Clinical Trial Cabinet compatible.

Dimensions: Height 24.5" x Width 25.5" (62 cm x 65 cm).

Testing distance: 13 feet/4 meters.

Click here for the ETDRS Guide.