Natural Factors - Lutein 40mg (60gelcaps)Provides antioxidants that help maintain eye health Protects the retina from free radical damage and conditions associated with exposure to sunlight, such as cataracts Helps in the treatment and prevention of age related macular degeneration (AMD) Improves visual acuity and contrast sensitivity by increasing the optical density of macular pigment Contains zeaxanthin, which is essential for a healthy macula (the central area of the retina that sees