The effect of borders and contours on threshold during early dark adaptation.
D000221:Adaptation, Ocular; D000328:Adult; D003623:Dark Adaptation; D006801:Humans; D008297:Male; D010775:Photic Stimulation; D012160:Retina / Q000502:physiology; D013028:Space Perception; D014785:Vision, Ocular; D014793:Visual Cortex / Q000502:physiology; D014794:Visual Fields; D014796:Visual Perception