Affiliation: | 1. Department of Ophthalmology, Mount Sinai School of Medicine of the City University of New York New York, N. Y. 10003, U.S.A.;2. Department of Pediatrics, Mount Sinai School of Medicine of the City University of New York New York, N. Y. 10003, U.S.A.;3. the Beth Israel Medical Center, New York, N.Y. 10003, U.S.A. |