Rod participation in the 'blue' mechanism and its effect on colour matching.
D000221:Adaptation, Ocular; D003118:Color Perception; D003119:Color Perception Tests; D006801:Humans; D008029:Lighting; D008266:Macula Lutea; D009475:Neurons, Afferent; D010786:Photoreceptor Cells / Q000502:physiology*