good-lite lea symbol trans. chart set

DESCRIPTION

• Proportionally spaced (logMAR); line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent, 0.16 to 2.50.
• This chart can either be wall mounted or used in an ESV1200 or Model A illuminated cabinet. Includes response key, training cards, and instructions.
• Dimensions: 9" x 14" (22.9 cm x 35.6 cm).
• Testing distance: 10 feet/3 meters.