Contrast sensitivity: psychophysical and evoked potential methods compared.
D005074:Evoked Potentials, Visual; D005139:Eyeglasses; D005425:Flicker Fusion / Q000502:physiology; D006801:Humans; D010364:Pattern Recognition, Visual / Q000502:physiology; D011601:Psychophysics; D012684:Sensory Thresholds / Q000502:physiology; D014792:Visual Acuity; D014796:Visual Perception / Q000502:physiology*