VISUAL PIGMENTS IN SINGLE RODS AND CONES OF THE   HUMAN RETINA. DIRECT MEASUREMENTS REVEAL MECHANISMS OF HUMAN NIGHT AND COLOR VISION.
D003118:Color Perception; D055253:Color Vision; D003624:Darkness; D006801:Humans; D010827:Physiology; D012160:Retina; D017949:Retinal Cone Photoreceptor Cells; D012168:Retinal Pigments; D017948:Retinal Rod Photoreceptor Cells; D012243:Rhodopsin; D013057:Spectrum Analysis
D012168:Retinal Pigments; D012243:Rhodopsin
COLOR PERCEPTION; DARKNESS; PHYSIOLOGY; RETINAL PIGMENTS; SPECTRUM ANALYSIS