Eating a diet rich in colorful fruits and vegetables provides a variety of nutrients as well as phytochemicals that can promote health. Lutein and zeaxanthin are two non-provitamin A carotenoids that appear to be protective against age-related macular degeneration (AMD), the leading cause of blindness in older adults. This 2-page fact sheet was written by Linda B. Bobroff, and published by the UF Department of Family Youth and Community Sciences, March 2011.
http://edis.ifas.ufl.edu/fy1217