The document discusses macular degeneration and ways to prevent and diagnose it. It recommends consuming antioxidants like vitamins C and E, beta carotene, zinc, lutein, zeaxanthin, folic acid, vitamins B6 and B12, and vitamin D, as well as omega-3s, to prevent free radical damage and macular degeneration. It also describes a biphotonic scanner developed at the University of Utah that measures antioxidant levels in the eye and has performed over 16 million scans since 2003. The document provides tips for raising antioxidant levels like adopting a healthy lifestyle with good nutrition, supplements, and genes.