北京思博特医疗器械有限公司

LEA SYMBOLS® Massachusetts Near Vision Screener

This assessment is designed for amblyopia testing or screening. This near vision chart has 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/400 to 20/16 (6/120 to 6/4.8) equivalent. Attached 16-inch (40cm) cord ensures proper testing distance. Printed two sides. 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