Affiliation: | From the ‡State University of New York Eye Institute and Departments of Cell Biology and ;‖Ophthalmology, State University of New York Downstate Medical Center, Brooklyn, New York 11203.;the §San Francisco Veterans Affairs Medical Center, University of California, San Francisco, California 94121, and ;the ¶Departments of Pharmacology and Therapeutics, University of Florida, Gainesville, Florida 32610 |