Teller Acuity Cards are a fast and reliable method of
assessing visual acuity in infants, children and
nonverbal adults. The test is designed to measure
the subject’s ability to resolve black and white
stripes of varying cycles per centimeter against
a grey background. 16 cards make a full set and
include a Blank and gratings from .23 to 26.0 cpcm.
Half sets include 8 cards ranging from .23 to 26.0
cpcm. All cards measure approximately 25.5 x
55.5 cm (10 x 22 inches). An instruction manual is
included with each set.