A pediatric near vision card featuring LEA SYMBOLS® for testing children or illiterate adults at 16″ (40 cm). Its small size makes it easy to carry or store. The front side contains proportionally-spaced lines in logarithmic progression with line sizes ranging from 20/400 to 20/10 (6/120 to 6/3) equivalent. The reverse side features the symbols in 50% spaced rectangles (Massachusetts Visual Acuity Test format) and line sizes ranging from 20/100 to 20/16 (6/30 to 6/4.8).
Dimensions: 3.75″ x 6.25″ (9.5 cm x 15.9 cm).
Testing distance: 16″/40 cm.