1 From the *Department of Ophthalmology and Molecular Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China; Department of Ophthalmology,†Institute for Genomic Medicine and Shiley Eye Center, University of California San Diego, La Jolla, CA; ‡Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, China; §Veterans Administration Healthcare System, San Diego, CA.