LEA SYMBOLS 13-LINE TRANSLUCENT DISTANCE CHART (252400)
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
You might also like