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].
1. vitamin A-any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes. antiophthalmic factor, axerophthol, A. fat-soluble vitamin-any vitamin that is soluble in fats.. vitamin A-any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes. antiophthalmic factor, axerophthol, A. fat-soluble vitamin-any vitamin that is soluble in fats.