1. From the Centre for Vision Research (G.L., J.J.W., P.M.), University of Sydney, Department of Ophthalmology, Westmead Hospital, the Westmead Millennium Institute, Australia; the Centre for Eye Research Australia (J.J.W., T.Y.W.), University of Melbourne, Victoria, Australia; the Graduate Studies Program in Epidemiology (B.B.D.), School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, RS Brazil; the Department of Ophthalmology and Visual Science (R.K.), University of Wisconsin,...