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': 'Enlarged corneal nerves may be seen in all of the following except: \nSelect and explain. \nA. Keratoconus, B. Herpes simplex keratitis, C. Leprosy, D. Neurofibromatosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Enlarged corneal nerves not seen in Herpes simplex keratitis. Ref:Color Atlas of Ophthalmology: The Quick-Reference Manual for Diagnosis and Treatment By Amar Agarwal, Soosan Jacob, 2009, Page 191', 'role': 'assistant'}]