1 McGovern Medical School at The University of Texas Health Science Center at Houston (ACT), Houston, Texas; Department of Neurology (MON), Houston Methodist Neurological Institute, Houston, Texas; Department of Ophthalmology (SR, PWM, AGL), Blanton Eye Institute, Houston Methodist Hospital, Houston, Texas; Departments of Ophthalmology, Neurology, and Neurosurgery (AGL), Weill Cornell Medicine, New York, New York; Department of Ophthalmology (AGL), University of Texas Medical Branch, Galveston, Texas; University of Texas MD Anderson Cancer Center (AGL), Houston, Texas; and Department of Ophthalmology (AGL), The University of Iowa Hospitals and Clinics, Iowa City, Iowa.