Sloan letters
by luiscoentro - uploaded on July 16, 2015, 6:50 pm
Sloan letters, designed by Louise Sloan in 1959, are a set of optotypes used to test visual acuity generally used in Snellen charts and logMAR charts.
by luiscoentro - uploaded on July 16, 2015, 6:50 pm
Sloan letters, designed by Louise Sloan in 1959, are a set of optotypes used to test visual acuity generally used in Snellen charts and logMAR charts.
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