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Visual Acuity From Letter Size Calculator
Vertical Letter Size
Units
...
mm
cm
in
Distance from Viewer
Units
...
m
ft
cm
in
Submit
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Input
Letter Size
Distance
0
0
Equivalent Acuities
MAR (arcmin)
logMAR
Snellen Fraction (ft notation)
Snellen Fraction (meter notation)
Decimal
0
0
0
0
0