A computerized method for administering a low luminance dysfunction test, comprising the steps of: (a) displaying a first character in a color at a first acuity level against a display having a luminance level (b) receiving a first input signal from a patient via an input device, where the input signal is indicative of whether the patient recognizes the first character displayed in the first acuity level (c) displaying a second character in the color at a second acuity level against the display having the luminance level (d) receiving a second input signal from the patient via the input device, where the input signal is indicative of whether the patient recognizes the second character displayed at the second acuity level and, (e) calculating a score based on the first and second input signals.
