vision chart with proportionally spaced (logMAR) translucent chart for ESV3000. Line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent, 0.10 to 2.00 - 13 feet/ 4 meter testing distance [Full description below...]
Description
vision chart with proportionally spaced (logMAR) translucent chart for ESV3000. Line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent, 0.10 to 2.00 - 13 feet/ 4 meter testing distance