This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Refractive index of cornea is \nSelect and explain. \nA. 1.37, B. 1.33, C. 1.42, D. 1.45', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Corneal refractive index is 1.376', 'role': 'assistant'}]