1. From the State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China; the2Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts; and the
2. Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts; and the
3. From the State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China; the
4. School of Optometry and Vision Science Program, University of California, Berkeley, California.