100 www.abcd-vision.org 80 63 50 40 32 25 20 16 HOTVAX Acuity Guide Project on Your Browser: Drag Window to size of screen. Measure width of the 20/100 H (not ...
Measure width of the 20/100 'H' (not surround bars) in millimeters. Place your computer screen this distance (D) from the patient: D (feet) = 10.0 x (H/25) ...