LEA Symbols 10 Line Distance Chart

By Brand : Good-Lite

Avg Customer Reviews :

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. 16" x 16" (40.6 cm x 40.6 cm). Notations include actual letter size for 10 foot and 3 meter measurements which are found on left side of the chart. Equivalent letter sizes notations include 20 foot, 6 meter, decimal and Log MAR measurements which are found on right side of the chart. 10 feet, 3 meters testing distance.