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Proportionally spaced (logMAR); line sizes range from 20/100 to 20/8 (6/30 to 6/2.4) equivalent, 0.20 to 2.50. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet.
Measurement: 9 in x 14 in (23 cm x 35.5 cm)
LEA SYMBOLS®: The Gold Standard