Product Review
Use this small pocket card to quickly find out whether a child's visual acuity is within the normal range. Proportional spaced lines on one side and more tightly spaced symbols on the other. Line sizes from 20/400 to 20/10 (6/120 to 6/3) equivalent. 3.75" x 6.25" (9.5 cm x 15.9 cm).
- 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.
