北京思博特医疗器械有限公司

LEA SYMBOLS® 13-Line Translucent Distance Chart

Proportionally spaced (logMAR); line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent, 0.16 to 2.50 with repetitive left eye/right eye groups. This chart can either be wall mounted or used in an ESV1200 or Model A+ illuminated cabinet. Includes response key, training cards, and instructions.

10 feet/3 meters testing distance