patient's point of view of a female doctor performing a neurological examination, shining a bright penlight into the camera to check pupillary light reflex in a clinic office - pupillary light reflex stock videos & royalty-free footage00:07Patient's point of view of a female doctor performing a neurological examination, shining a bright penlight into the camera to check pupillary light reflex in a clinic office
dilation and contraction of the pupil of the eye in response to changing light levels. the aperture of the pupil is controlled by the muscles of the iris, the coloured region surrounding the eye - pupillary light reflex stock videos & royalty-free footage00:07Dilation and contraction of the pupil of the eye in response to changing light levels. The aperture of the pupil is controlled by the muscles of the iris, the coloured region surrounding the eyeClose-up, Dilation, Pupil - Eye