 Tweet (NewsTarget) In the third installment of this six-part series, we looked at the important role of proper diet in eye health and vision as well as some of the best eye foods. In this installment we will look at essential vitamins and minerals for the eyes. Notably, one of the most important minerals and one of the most important vitamins for eye health are the two most common deficiencies in older people: magnesium and vitamin B-12. Top Vitamins for Vision and Eye Health 