Which does NOT handle free radicals inside lens -: (A) Vitamin A, (B) Vitamin C, (C) Vitamin E, (D) Catalase
Answer is A. Preventive antioxidant mechanisms of lens against free radicals are: Enzymatic defence mechanism - reduced glutathione, glutathione peroxide, superoxide dismutase and catalase Non-enzymatic defence mechanism - vitamin C, vitamin E and carotenoids