Feature●Designed to measure visual acuity at a distance.●Intended to be placed 6 feet away from viewer.●Inches/centimeters ruler Intended to be placed 6 feet away from viewer.●Chart dimensions 18.5cm x 10cm.●Mfg UPC # 8906121590272, Product Ref No. DP-5028Description
Handy pocket-sized eye chart. Easy clean plastic is sanitizable. Ruler on back with inches and centimeters.