By Stephen J. Ryan, MD, Professor of Ophthalmology, President, Doheny Eye Institute, USC Keck School of Medicine Doheny Eye Institute 5900, Los Angeles, Ca.; David R. Hinton, MD, FRCPC, Professor, Department of Pathology, Neurology, and Neurological Surgery, University of Southern California School of Medicine, Los Angeles, CA; Andrew P. Schachat, MD, Karl Hagen Professor of Ophthalmology, Department of Ophthalmology, Johns Hopkins University and Hospital, Baltimore, MD, USA; and Charles P. Wilkinson, MD, Chairman, Department of Ophthalmology, Greater Baltimore Medical Center; Professor, Department of Ophthalmology, Johns Hopkins University, Baltimore, MD |