This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea, Subject name: Ophthalmology
[{'content': 'Afferent component of corneal reflex is mediated by \nSelect and explain. \nA. Vagus nerve, B. Facial nerv, C. Trigeminal nerve, D. Glossopharyngeal nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Trigeminal nerveRef: Fuller Neurological examination made easy 3/e, p. 102The afferent component of corneal reflex is mediated through the ophthalmic branch of the trigeminal nerve (Vth nerve).The efferent component is mediated through the facial nerve (VIIth nerve).Following corneal stimulation:* Failure of either side of face to contract = Nasociliary nerve lesion* Failure of only one side to contract = Facial nerve lesion.', 'role': 'assistant'}]