北京思博特医疗器械有限公司

LEA SYMBOLS® Proportional Spaced Chart

LEA SYMBOLS® pediatric vision chart with 10' and 20' foot notations only. Proportionally spaced (logMAR) lines; line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent. Set includes response key, flash cards, and instructions. This chart can be used in Good-Lite's illuminated ESV1200, ESV1500, Model A+, Model A cabinet or hung on the wall

10 feet, 3 meters testing distance

Set includes response key, flash cards, and instructions along with the chart.