1. From the Singapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore (C.Y.-l.C., M.K.I., C.S., T.Y.W.); Department of Ophthalmology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore (C.Y.-l.C., M.K.I., C.S., T.Y.W.); Centre for Quantitative Medicine, Office of Clinical Sciences, Duke-NUS Graduate Medical School, Singapore, Singapore (C.Y.-l.C., M.K.I., C.S.); and Departments of Epidemiology and Ophthalmology, Erasmus Medical Center,...