1. From the Blind Rehabilitation Center, Edward Hines VA Hospital, Hines, Illinois; the2Illinois College of Optometry, Chicago, Illinois; the3Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago College of Medicine, Chicago, Ill
2. Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago College of Medicine, Chicago, Illinois; the4Jessie Brown VA Medical Center, Chicago, Illinois; the
3. Illinois College of Optometry, Chicago, Illinois; the3Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago College of Medicine, Chicago, Illinois; the4Jessie Brown VA Medical Center, Chicago, Illinois; the
4. Massachusetts Eye and Ear Infirmary, Boston, Massachusetts; the6Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts; the
5. Illinois College of Optometry, Chicago, Illinois; the7Lois and Edwin Deicke Center for Vision Rehabilitation, Wheaton, Illinois; the8Department of Ophthalmology, Loyola University School of Medicine, Maywood, Illinois; and the
6. From the Blind Rehabilitation Center, Edward Hines VA Hospital, Hines, Illinois; the
7. Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland.