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 transparency is due to all except: \nSelect and explain. \nA. Na. - K+ pump, B. Normal IOT, C. Hypercellular stroma, D. Peculiar arrangement of lamella', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Hypercellular stroma', 'role': 'assistant'}]