Intensity versus adaptation and the Pulfrich stereophenomenon.
D000221:Adaptation, Ocular; D003623:Dark Adaptation; D003867:Depth Perception; D006801:Humans; D066298:In Vitro Techniques; D008027:Light; D008297:Male; D010775:Photic Stimulation; D013997:Time Factors; D014792:Visual Acuity