1. From the US Department of Agriculture/Agricultural Research Service Children’s Nutrition Research Center (CLJ, JKF, and WCH) and the Meyer Center for Developmental Pediatrics (RGV, JCR, MRT, and AML), Department of Pediatrics, Baylor College of Medicine, Houston, TX; the Hermann Eye Center, University of Texas Health Science Center, Houston, TX (TCP and YLZ); and the Dean A McGee Eye Institute, U