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
Which of the following does NOT scavenge free radicals in the lens? 
Select and explain. 
A. Vit A, B. Vit C, C. Vit E, D. Catalase
A: Vit A
Answer: A: Vit A 
Explanation: Vitamin A Repeat from - May 08 & May 07 Antioxidant mechanisms within lens - Superoxide dismutase - Glutathione peroxidase - Catalase - Vitamin C (Ascorbic acid) - Vitamin E