HOTV ETDRS Chart with 50% Crowding Bars

HOTV ETDRS Chart with 50% Crowding Bars

  • $49.95
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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 20/100 to 20/16 (6/30 to 6/4.8) equivalent, 0.20 to 1.25. Similar to the 500035 HOTV ETDRS Crowded Bar Chart, but with optotypes in scrambled order for repetitive testing.

Testing distance: 13 feet/4 meters.

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