The Light Reflex in the Eye

The light reflex is the classic one that's easy to examine in the first part. And tell me how the light reflex works. So you shine a bright light through the dilated pupil, and that is detected on the ganglion cells of cranial nerve three. Those fibres then travel bi laterally back to the constricted pupili muscles in the eye cause reflex pupillary constriction. It's a paraset sympathetic nervous system responds. The next thing you might move down to is to look for a safe corneal reflex which is another its get, again with sensory and motor response.