Measures 12 x 18 in
White letters on black background
Includes tables, procedures and instructions
Funded by the NIH
Increments range from 1.3 LogMar (20/400) to -0.5 Log Mar (20/6.3)
Increments listed in 0.1 LogMar steps
Viewing distance of 40 cm (16 in)
Variation in sentences between charts in the same set allows for repeat testing or testing the other eye with less possibility of memorization. The MNRead chart also provides a measurement for reading speed, and comes with preferred scoring procedures and tables for calculating reading speed. This chart also includes information for converting acuity scores at non-standard viewing distances.
IS
