Which does not handle free radicals inside lens-: (A) Vitamin A, (B) Vitamin C, (C) Vitamin E, (D) Catalase
Answer is A. Emzymatic antioxidant mechanisms :- Reduced glutathioe (most impoant), glutathione peroxidase, superioxide dismutase, catalase. Non-enzymatic defence mechanisms :- Vitamin C, Vitamin E, and possibly carotenoids. Ref: Various textbooks.