DARK ADAPTATION AND THE PHOTOCHROMATIC INTERVAL.
D000221:Adaptation, Ocular; D003118:Color Perception; D003623:Dark Adaptation; D003624:Darkness; D006801:Humans; D009900:Optic Nerve; D010827:Physiology; D012160:Retina; D011984:Sensory Receptor Cells; D014787:Vision Tests; D014785:Vision, Ocular
ADAPTATION, OCULAR; COLOR PERCEPTION; DARKNESS; OPTIC NERVE; PHYSIOLOGY; RECEPTORS, NEURAL; RETINA; VISION TESTS