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].
This is true for your eyes as well as your overall health. Three vitamins that scientists have identified as particularly important to eye health are vitamins A, C and E. Maintaining sufficient levels of these vitamins may help support overall eye health.