北京思博特医疗器械有限公司

LEA SYMBOLS® Massachusetts Flip Chart

Handheld pediatric vision chart with LEA SYMBOLS® is designed for amblyopia testing or screening. 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/80 to 20/16 (6/24 to 6/4.8) equivalent. Pages are offset for easy flipping. Includes response key and flash cards. 10 pages, 3.25" x 9" (8.25 cm x 22.9 cm).

10 feet, 3 meters testing distance