Zeaxanthin is an antioxidant carotenoid found in your retina which cannot be made by your body, you must get zeaxanthin from your diet. Zeaxanthin is found in high concentrations in your macula lutea, the small central part of your retina responsible for detailed central vision. The best vegetable sources of zeaxanthin are green leafy vegetables and other green or yellow vegetables. Among these, spirulina, kale and spinach top the list.
While there’s no recommended daily intake for zeaxanthin, studies have found health benefits at a dose of 2mg/day. Pasture fed eggs contain 0.7-1.5mg of zeaxanthin (the high values taken from chickens fed specific feeds). Commercial factory eggs score very low. If you are worried about your eyes, it might be worth supplementing with zeaxanthin, as it's a cheap and effective supplement. if you job entails a lot of screen time, then zeaxanthin would help enormously.