Matthew J. Thurtell, MBBS, FRACP, Assistant Professor of Ophthalmology and Neurology, Department of Ophthalmology and Visual Sciences, University of Iowa Iowa City, IA. Robert L. Tomsak, MD, PhD, Professor of Ophthalmology and Neurology, Kresge Eye Institute, Wayne State University, Detroit, MI. Robert B. Daroff, MD, Professor of Neurology, Associate Dean for Development, School of Medicine, Case Western Reserve University, Cleveland, OH.