
LEA SYMBOLS® Near Vision Cabinet Chart
257800A LEA SYMBOLS® near vision pediatric chart for illuminated cabinets. This chart features two tests in an ETDRS format with proportionally spaced (logMAR) lines; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent. The other equivalents on this chart are letter size, decimal, and LogMAR. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet. Includes the chart and a response key.
Dimensions: 9" x 14" (22.9 cm x 35.6 cm).
Test distance: 16"/40 cm.
Click here for the ETDRS Guide.
Click here for the 257800 Answer Key.