What is lutein? What are its benefits for the body? How can infants obtain it? In fact, lutein is a type of carotenoid. Although there are over 50 types of carotenoids in our daily diet, only lutein (Lutein) and zeaxanthin (Zeaxanthin) accumulate in the macula of the retina, hence they are also called macular pigments. The retina and macula are responsible for perceiving images, fine vision, and clarity. Everyday tasks such as distinguishing colors and reading rely on them. If the macula and retina are chronically deficient in lutein and zeaxanthin, it could affect vision, and in severe cases, there may even be a risk of blindness.