1. From the Francis I. Proctor Foundation (K.S.O., E.L., B.P., Z.L., V.L., E.C., T.D., J.D.K., C.E.O., T.C.P., B.F.A., T.M.L.), the Departments of Ophthalmology (K.S.O., T.D., J.D.K., C.E.O., T.C.P., B.F.A., T.M.L.) and Epidemiology and Biostatistics (K.S.O., C.E.O., T.C.P., T.M.L.), and the Institute for Global Health Sciences (K.S.O., C.E.O., B.F.A., T.M.L.), University of California, San Francisco, San Francisco; and Centre de Recherche et Interventions en Santé Publique, Birni N’Gaoure (A.M.A., R.M...