Zymaxid can be expensive if you don't have health insurance, prices at local pharmacies can vary greatly, but be prepared to pay as much as $100 for a 2.5ml bottle size of zymaxid 0.5 eyedrops.
Vitamin A is critical for vision as an essential component of rhodopsin, a protein that absorbs light in the retinal receptors, and because it supports the normal differentiation and functioning of the conjunctival membranes and cornea [2-4].
Vitamin E protects eyes, just like rest of the body, from harmful effects of free radicals. It helps in providing shield to eyes against environmental stresses. Vitamin E is found in abundance in safflower oil, seeds, nuts especially walnuts, spinach, tomato, pumpkin, sweet potatoes, mangoes, olives, papaya, etc.