Hello! Do you need help? Click on the operator and write to us.
Tumbling E proportionally spaced (logMAR) line - size range from 20/200 to 20/10 (6/60 to 6/3) equivalent, 0.10 to 2.00 - chart size is 24.5" x 25.5 (62x65cm) - 13 feet/4 meter testing distance