In macular degeneration, the macula (the part of the eye that is responsible for registering fine detail in the center of the field of vision) begins to break down, resulting in a progressive loss of visual clarity. Lutein is effective in maintaining and restoring ocular health.

Cataracts occur when proteins in the eye's lens change and cause a thickening, resulting in clouded and distorted vision.

Lutein is a cartenoid that is concentrated in the pupil and is helpful in treating cataracts. The damage of lens tissue in the eyes due to free radicals is a contributing factor to the formation of cataracts. Free radicals attack the structure of the proteins that make up the lens as well as enzymes and cellular membranes. Cataracts are know to be caused by­ aging, diabetes, heavy metal poisoning, radiation exposure, injury to the eye, and the use of certain drugs, such as steroids. Supplementation of Luten is an important protection and treatment for eye health.