A patient presented with complaints of diplopia. O/E pupils were dilated. Both direct and consensual light reflexes were lost. The diagnosis is :
Correct Answer: 3rd nerve palsy
Description: 3rd nerve palsy PUPILLARY LIGHT REFLEX :- If light enters an eye, the pupil of the same eye contracts (direct light reflex),activity shared equally by the pupil of other eye (consensual light reflex) - Afferent limb of light reflex is Optic nerve (CN2) and efferent limb is Oculomotor nerve (CN3) - Both direct and consensual light reflexes are lost in third nerve palsy.
Category:
Ophthalmology
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