1. From the Einhorn Clinical Research Center, New York Eye and Ear Infirmary, New York, New York; the
2. From the Einhorn Clinical Research Center, New York Eye and Ear Infirmary, New York, New York; the2Department of Ophthalmology, The New York Medical College, Valhalla, New York; the
3. New York University School of Medicine, New York, New York; and the4Manhattan Eye, Ear and Throat Hospital, New York, New York.