Zeaxanthin is a yellow-colored plant pigment. It has strong antioxidant properties and is one of two yellow carotenoids found in the retina. It is abundant in spinach, collard greens, kale and corn. It acts to filter and shield harmful blue light from the eye and protects against age-related cataracts and macular degeneration, the leading cause of blindness in people over 65. Macular degeneration is a disease that destroys the central portion of the retina, the light-gathering cells at the back of the eye. As the disease progresses, the center of the field of vision begins to blur, making it difficult to read, drive, and recognize faces. Zeaxanthin and Lutein can restore macular pigment density, which declines with age.
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