NEET PG DENTAL EXAM

Detailed explanation-1: -The oculomotor nerve is the third cranial nerve (CN III). It allows movement of the eye muscles, constriction of the pupil, focusing the eyes and the position of the upper eyelid. Cranial nerve III works with other cranial nerves to control eye movements and support sensory functioning.

Detailed explanation-2: -Oculomotor Nucleus (Third Cranial Nerve) The oculomotor neurons innervate all extraocular muscles except the superior oblique (trochlear nerve) and lateral rectus (abducens nerve). In addition, it innervates the levator palpebrae muscles that open the eyelids and provides parasympathetic innervation to the pupils.

Detailed explanation-3: -Cranial mononeuropathy III is a nerve disorder. It affects the function of the third cranial nerve. As a result, the person may have double vision and eyelid drooping.

Detailed explanation-4: -The combination of third and sixth nerve palsy is not difficult to perceive. In addition to the third nerve palsy characteristics of ptosis, mydriasis, and impaired supraduction, infraduction, and adduction, there is a failure of abduction of the same eye.