The effect of pupil size on grating detection at various contrast levels.
D000221:Adaptation, Ocular; D005556:Form Perception / Q000502:physiology*; D006801:Humans; D008027:Light; D008297:Male; D010783:Photometry; D011680:Pupil / Q000502:physiology*; D012025:Reflex, Pupillary; D013028:Space Perception / Q000502:physiology*; D014792:Visual Acuity