Testing distance: 16″ / 40 cm
Card size: 5.5″ x 8″ HOTV letter assessment chart includes crowded line sizes from 20/125 to 20/20 (6/38 to 6/6) equivalent. Instructions printed on reverse. Includes 2 paper isolating masks.
Standardized adult sloan letter near vision card with proportionally spaced (logMAR) lines in ETDRS format. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent. Attached 16-inch (40 cm) measuring cord ensures proper screening distance. Printed on two sides. … Continued