Distance Vision Chart:
A distance chart with wide-spaced lines; line sizes range from 20/160 to 20/16 (6/48 to 6/4.8) equivalent. This chart can be used in an illuminated ESV1018 cabinet or hung on the wall.
Dimensions: 10″ x 18″ (25.4 cm x 45.7 cm).
Testing distance: 10 feet/3 meters.
Near Vision Chart:
A Combination Tumbling E and Landolt C Near Card with proportionally spaced (logMAR) lines; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent printed on both sides. Comes attached with a 16″ (40 cm) measuring cord that ensures proper screening distance.
Dimensions: 7″ x 9″ (17.8 cm x 22.9 cm).
Testing distance: 16″/40 cm.