ediatric near vision card featuring LEA Symbols pediatric symbols for
testing children or illiterate adults at 16" (40 cm). It's small size
makes it easy to carry or store. 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 50% spaced rectangle (Massachusetts
Visual Acuity Test format). Line sizes range from from 20/100 to 20/16
(6/30 to 6/4.8).