LEA SYMBOLS® pediatric vision chart with 10 foot and 20 foot notations only. 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/80 to 20/16 (6/24 to 6/4.8) equivalent. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet. Chart set includes response key and instructions along with the chart.
Measurements: 9 in x 14 in (22.9 cm x 35.6 cm)
Test distance: 10 feet,/ 3 meters