1 Department of Ophthalmology (KB), University of Cincinnati, Cincinnati, Ohio; Departments of Ophthalmology and Visual Sciences (CEJ) and Epidemiology (CEJ), University of Illinois at Chicago, Chicago, Illinois; Department of Ophthalmology (SLP), Stein Eye Institute, University of California, Los Angeles, California; Department of Ophthalmology (HEM), Byers Eye Institute, Stanford University, Palo Alto, California; and Department of Neurology and Neurological Sciences (HEM), Stanford University, Palo Alto, California.