1. From the Seidenberg Protzko Eye Associates, Havre de Grace, Maryland; the2University of Maryland School of Medicine, Baltimore, Maryland;
2. InSite Vision, Alameda, California;
3. Ophthalmic Research Associates, North Andover, Massachusetts; and5Schepens Eye Research Institute, Harvard Medical School, Boston, Massachusetts.
4. Ophthalmic Research Associates, North Andover, Massachusetts; and