1. From the Retina Service, Department of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts; and the 2Eye Clinic, Department of Clinical Science “Luigi Sacco,” Sacco Hospital, University of Milan, Milan, Italy.
2. the Eye Clinic, Department of Clinical Science “Luigi Sacco,” Sacco Hospital, University of Milan, Milan, Italy.
3. From the Retina Service, Department of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts; and