Lutein, zeaxanthin, and meso-zeaxanthin are the only three carotenoids found in the human eye. They’re concentrated in the macula, the central part of the retina responsible for sharp, detailed vision. Each has its own specific location: lutein dominates the outer macula, RR-zeaxanthin is found in the mid-peripheral area, and meso-zeaxanthin is concentrated right at the …
