北京思博特医疗器械有限公司

LEA Symbols MassTest Near Card

This near vision assessment has proportionally-spaced lines on one side and 50% spaced rectangle (Massachusetts Visual Acuity Test format) on the opposite side. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent. Response key printed on test card. Includes flash cards and instructions. 8" x 10" (20.3 cm x 25.4 cm).

16 inches, 40 cm testing distance