Lea Numbers India | Jutron Vision
271400 LEA NUMBERS ETDRS Translucent Chart Adult LEA NUMBERS chart for ETDRS Illuminated lightboxes. Fits all existing ETDRS cabinets including both the ESV3000 and ESC2000. LEA NUMBERS ETDRS chart contains optotypes in proportionally spaced (logMAR) lines; lines range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Fits in ESV3000 ETDRS illuminated cabinet. 10 feet/3 meter testing distance LEA NUMBERS 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. This chart can either be wall-mounted or used in an ESV1200 , ESV1500 , or a Model A+ illuminated cabinet. 10 feet/3 meters testing distance 777001 Low Vision Reading Card Low vision Reading Card with 16"/40 cm attached measuring cord in either English or German language. The chart contains continuous text with line sizes ranging from 20/320 to 20/16 (6/95 ...