Sloan Letter Near Vision Card for 30 cm Testing

Standardized adult Sloan Letter near vision card with proportionally spaced (logMAR) lines in ETDRS, format for testing at 30 cm (11.8"). 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. 7" x 9" (17.8 cm x 22.9 cm).

Testing distance: 16"/40 cm