1. From the Departments of Psychology and
2. Ophthalmology, Columbia University, New York, New York;
3. Einhorn Clinical Research, New York Eye and Ear Infirmary, New York, New York; and 4Department of Ophthalmology, New York Medical College, Valhalla, New York.
4. Einhorn Clinical Research, New York Eye and Ear Infirmary, New York, New York; and