Proportionally spaced (logMAR); line sizes range from 20/125 to 20/8
(6/38 to 6/2.4) equivalent, 0.16 to 2.50 with repetitive left eye/right
eye groups. This chart can either be wall mounted or used in an
ESV1200 or
Model A+ illuminated cabinet. Includes response key, training cards, and instructions.