Computing...

Input interpretation:

visual acuity | 20\/50


Approximate corrective prescription:

-1 diopter (diverging lens)\n(assuming spherical correction)


Uncorrected legibility distances:

font size | distance\n24-point type | 5 feet\n48-point type | 10 feet\n96-point type | 19 feet\n(for typical black fonts)


Uncorrected angular resolution:

2.5\'  (arc minutes)

Contact Pro Premium Expert Support