This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
[{'content': 'Which of the following does not handle the free radicals in the lens \nSelect and explain. \nA. Vitamin A, B. Vitamin E, C. Vitamin C, D. Catalase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Lens has two major antioxidant Vitamin C and Vitamin E also it has two detoxifying enzymes that is catalase and superoxide dismutase Refer: Khurana 6th edition page number 219', 'role': 'assistant'}]