Visual Acuity At different levels of Contrast and Ambient Luminance (VA-CAL)
Normal Range and Test/Re-Test Variability of Visual Acuity under different conditions of Contrast and Ambient Luminance (Tuebingen VA-CAL Test)
Normal Range and Test/Re-Test Variability of Visual Acuity under different conditions of Contrast and Ambient Luminance (Tuebingen VA-CAL Test)