CHROMATIC PLR IN DOGS AND CATS The pupil’s response to light stimuli of a certain intensity and wavelength is chromatic pupillary response (CPR). The CPR was evaluated based on the response of the photoreceptors, the melanopsin-containing retinal ganglion cells and the optic nerve to the white, red and blue light stimuli. If you have any such eye related queries contact MYRA PET CLINIC & SURGERY CENTRE OR CALL 7879882612 VETERINARY SURGEON | VETERINARY DOCTOR | VETERINARY DOCTOR IN INDORE | VETERINARY SURGEON IN INDORE | PET CLINIC IN INDORE | PET DOCTOR IN INDORE