1. From the Francis I. Proctor Foundation (J.D.K., K.J.R., C.C., E.L., K.S.O., T.C.P., T.M.L.), the Departments of Ophthalmology (J.D.K., T.C.P., T.M.L.) and Epidemiology and Biostatistics (T.C.P., T.M.L.), and the Institute for Global Health Sciences (T.C.P., T.M.L.), University of California, San Francisco, San Francisco; London School of Hygiene and Tropical Medicine, London (R.L.B., J.H.); the Dana Center, Johns Hopkins University School of Medicine, Baltimore (S.K.W., J.W.); the Carter Center, Niamey,...