This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
[{'content': 'Corneal sensation is lost in \nSelect and explain. \nA. Herpes simplex, B. Conjunctivitis, C. Fungal infection, D. Trachoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Herpes simplex Decreased corneal sensations, dendritic and geographical ulcers are characteristic features of Herpes simplex ocular disease Q Sensory supply of cornea is through trigeminal nerve Q. Neurotrophic keratopathy occurs due to paralysis of sensory supply of cornea. Causes of neurotrophic keratopathy or anaesthetic cornea are:', 'role': 'assistant'}]