LEA NUMBERS® Near Vision Cabinet Chart273000
A LEA NUMBERS® standardized near vision adult chart for illuminated cabinets. This chart displays 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. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet.
Dimensions: 9" x 14" (22.9 cm x 35.6 cm).
Testing distance: 16"/40 cm.