Vision & screens

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Eye-health supplements lean on three carotenoids: lutein, zeaxanthin, and astaxanthin. Lutein and zeaxanthin concentrate in the macula and protect against blue light damage. Astaxanthin is a fat-soluble antioxidant that crosses the blood-retina barrier. Look for products that disclose the exact mg of each carotenoid, not just "marigold extract".