An HOTV distance chart with 50% spaced rectangles (Massachusetts Visual Acuity Test format). Line sizes range from 20/100 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. Set includes the chart, a response key, and instructions.
Dimensions: 9″ x 14″ (22.9 cm x 35.6 cm).
Testing distance: 10 feet/3 meters.