1 Departments of Ophthalmology and Neurology (JDT), Kellogg Eye Center, University of Michigan, Ann Arbor, Michigan; Department of Ophthalmology (HEM), Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Palo Alto, California; Department of Ophthalmology (AGL), Houston Methodist Hospital, Houston, Texas; and Department of Ophthalmology and Visual Sciences (GPVS), Washington University in St. Louis School of Medicine, St. Louis, Missouri.