LEA SYMBOLS® Pocket Near Cards250900
Pediatric near vision card featuring LEA SYMBOLS® pediatric symbols for testing children or illiterate adults at 16 in (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 pediatric symbols in a 50% spaced rectangle (Massachusetts Visual Acuity Test format). Line sizes range from 20/100 to 20/16 (6/30 to 6/4.8).
Measurements: 3.75 in x 6.25 in (9.5 cm x 15.9 cm)
Test distance:16 in (40 cm)Click here for the 250900 Guide.