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About LEA Symbols® 13-Line Translucent Distance Chart
Proportionally spaced optotypes (logMAR); line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent, 0.16 to 2.50. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet. Includes response key and instructions. Test distance: 10 feet/3 meters
