Fast Acuity Screening Test | Familiarize to Large Letters | Go directly to screening | Get Matching Card with Instructions
Measure width of "H", Calculate "d." Have child stand "d" distance away from Computer Screen.
H big from width of "H" w, screening distance d= 10 ft x (w/21.5mm)


FAST calibrate FAST H
ABCD-VISION.ORG Familiarize with Large Letters