Effect of artificial pupil size on recognition threshold.
D003261:Contact Lenses; D004192:Discrimination, Psychological; D005556:Form Perception; D006801:Humans; D008297:Male; D010467:Perceptual Defense; D011680:Pupil / Q000502:physiology*; D011930:Reaction Time; D013609:Taboo; D014705:Verbal Behavior; D014792:Visual Acuity; D014796:Visual Perception