The site at which rhodopsin bleaching raises the scotopic threshold.
D003261:Contact Lenses; D003623:Dark Adaptation; D005403:Fixation, Ocular; D006801:Humans; D008297:Male; D008722:Methods; D010775:Photic Stimulation; D012168:Retinal Pigments / Q000502:physiology*; D014785:Vision, Ocular
D012168:Retinal Pigments