Sloan Letters Folding Wall Chart

Folding eye chart with Sloan Letters optotypes with proportionally spaced (logMAR) lines; line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent. Has hole at top of chart for easy hanging. 18" x 18" (45.7 cm x 45.7 cm); folds to 18" x 9" (45.7 cm x 22.9 cm).

10 feet, 3 meter testing distance