These plants are rich in carotenoids, especially lutein and zeaxathin. Lutein, a yellow pigment, protects the macula from sun damage and from blue light. Eggs are rich in cysteine, sulfur, lecithin, amino acids and lutein. Sulfur-containing compounds protect the lens of the eye from cataract formation. This items are also rich in sulfur, which is necessary for the production of glutathione, an important antioxidant for the lens of the eye, and the whole body.
Soy contains essential fatty acids, phytoestrogens, vitamin E and natural anti-inflammatory agents.
Fruits and vegetables contain vitamin A, C, and E and Beta-carotene. The yellow vegetables, such as carrots and squash, are important for daytime vision. These foods contain anthocyanins, which improve night vision. A cup full of blueberries, huckleberry jam, or a 100 mg bilberry supplement should improve dark adaptation within 30 minutes. Wine Wine, known to have a cardioprotective effect, has many important nutrients, which protect vision, heart and blood flow.