Cone system saturation: more than one stage of sensitivity loss.
D000221:Adaptation, Ocular; D000328:Adult; D003118:Color Perception / Q000502:physiology*; D005260:Female; D006801:Humans; D008027:Light; D008959:Models, Neurological; D010786:Photoreceptor Cells / Q000502:physiology*; D012684:Sensory Thresholds / Q000502:physiology; D013053:Spectrophotometry