Faculty of Health and Medicine (CF), Department of Ophthalmology, Save Sight Institute, University of Sydney, Sydney, Australia; Departments of Ophthalmology, Neurology and Neurosurgery (MV), University of Alabama, Birmingham, Alabama; Department of Ophthalmology and Visual Sciences (GPV), Washington University in St. Louis School of Medicine, St Louis, Missouri; and Department of Ophthalmology, Blanton Eye Institute (AGL), Houston Methodist Hospital, Houston, Texas.

Address correspondence to Gregory P. Van Stavern, MD, Department of Ophthalmology and Visual Sciences, Washington University in St. Louis School of Medicine, St Louis, MO 63110; E-mail: [email protected]

The authors report no conflicts of interest.