An HOTV distance vision chart with line sizes ranging from 6/24 to 6/3. This chart can either be wall mounted or used in an ESV1200™, ESV1500™, or a Model A+ illuminated cabinet.
Features 6 meter notations only.
Dimensions: 9" x 14" (22.9 cm x 35.6 cm).
Testing distance: 20 feet/6 meters.