1. From the Department of Vision Science, School of Optometry, University of California, Berkeley, California; the 2West Coast Retina Medical Group, San Francisco, California;
2. From the Department of Vision Science, School of Optometry, University of California, Berkeley, California;
3. the Bascom Palmer Eye Institute, University of Miami, Miller School of Medicine, Miami, Florida; and
4. the Departments of Ophthalmology, 5Cell Biology, Neurobiology, and Anatomy, and 6Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin.