
Eye Chart Allen Pre-school Cards
Set of 4 cards w/illustrations. Cards are 4" x 4". The test is a valid index of visual acuity recorded in terms of a 30 foot denominator.
Eye Chart Allen Pre-school Cards
Set of 4 cards w/illustrations. Cards are 4" x 4". The test is a valid index of visual acuity recorded in terms of a 30 foot denominator.