Allen Taylor, PhD directs the Laboratory for Nutrition and Vision Research at Tufts (a part of the USDA Human Nutrition Research Center on Aging), and also holds faculty positions in nutrition, ophthalmology, molecular & chemical biology, and development at the Tufts University School of Medicine. He talks about how age-related macular degeneration (AMD) develops, the nutritional component, and what new research shows about ways to delay onset or progress.