Featuring: This quick and refreshing smoothie is hydrating and filled with vitamins. The spinach, pineapple, and peaches contain lutein and zeaxanthin, carotenoids that can help prevent or delay macular degeneration. Spinach is high in vitamin K, which prevents excess vascular calcification and protects against damage to the blood vessels in the retina. Proper hydration is also important for eye health as the eyes rely on water to keep them lubricated and help remove bacteria and dust particles.