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: Unknown
[{'content': 'Maximum refractive index is in ......... component of eye \nSelect and explain. \nA. Anterior surface of lens, B. Posterior surface of lens, C. Centre of lens, D. Cornea', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans- C Refractive index of various eye partsa. Cornea-1.376b. Aqueous humor-1.335c. Lenscortex 1.39d. Lens nucleus : 1.41e. Vitreous humor-1.336', 'role': 'assistant'}]