1. From the Departments of Ophthalmology and 2Cell Biology, SUNY Downstate Medical Center, Brooklyn, New York; and
2. the Departments of Ophthalmology,
3. Neurology, and
4. Cell Biology, SUNY Downstate Medical Center, Brooklyn, New York; and
5. the Departments of Ophthalmology, 5Pharmacology, Mount Sinai School of Medicine, New York, New York.