Add zinc to your diet

Zinc aids in the production on melanin, a pigment which helps protect the eyes. There are a number of foods that will add a good amount of zinc into your diet. Shellfish. Lobster, crab, and oysters all provide high doses of zinc. Spinach and other green leafy vegetables. In addition to vitamin C, these vegetables will give your body the zinc it needs to protect your eyes. Nuts. Cashews, peanuts, almonds, and walnuts are all high in zinc. They are easy to snack on throughout the day.