1 Sydney Eye Hospital (AAKN, AMS, CLF), Sydney, Australia; Birmingham Neuro-Ophthalmology (SPM), University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom; Metabolic Neurology (SPM), Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, United Kingdom; Sue Anschutz-Rodgers UC Health Eye Center and Departments of Ophthalmology (PSS), Neurology (PSS), and Neurosurgery (PSS), University of Colorado School of Medicine, Aurora, Colorado; Department of Surgery (Division of Ophthalmology) (PSS), Uniformed Services University of the Health Sciences, Bethesda, Maryland; and Save Sight Institute (CLF), The University of Sydney, Sydney, Australia.