LEA SYMBOLS® 10 Line Distance Charts256000
Pediatric vision chart with LEA SYMBOLS® for screening children ages 2 1/2 to 4. Proportionally-spaced lines; line sizes range from 20/200 to 20/16 (6/60 to 6/4.8) equivalent. The 20/160 (6/48) and 20/100 (6/30) lines have been omitted. 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/80 to 20/16 (6/24 to 6/4.8) equivalent. Has a hole for hanging the chart on the wall. Includes response key and instructions.
Notations include actual letter size for 10 foot and 3 meter measurements which are found on left side of the chart. Equivalent letter size notations include 20 foot, 6 meter, decimal and Log MAR measurements which are found on right side of the chart.
Measurements: 16 in x 16 in (40,6 cm x 40,6 cm).
Test distance: 10 feet/3 meters