Critical duration for resolution of acuity targets.
D000221:Adaptation, Ocular; D003623:Dark Adaptation; D006801:Humans; D010775:Photic Stimulation / Q000295:instrumentation / Q000379:methods; D010783:Photometry; D010786:Photoreceptor Cells / Q000502:physiology; D013028:Space Perception; D013997:Time Factors; D014792:Visual Acuity