LEA SYMBOLS® Proportional Distance Chart

A LEA SYMBOLS^® pediatric distance chart with proportionally spaced lines; line sizes range from 10/100 to 10/4 (3/30 to 3/1.2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. This chart can be used in the illuminated ESV1018 cabinet or hung on the wall. Chart Set includes a response key and instructions along with the chart.

Measurements: 10" x 18" (25.4 cm x 45.7 cm).

Testing distance: 10 feet/3 meters.