From the *Department of Ophthalmology, University of Nebraska Medical Center, Omaha, Nebraska and †Department of Ophthalmology, University of Miami, Florida.

Received for publication July 9, 2004; accepted August 31, 2004.

Supported in part by an unrestricted grant from Research to Prevent Blindness, Inc., New York, NY. Dr. Camras was a Research to Prevent Blindness Senior Scientific Investigator.

Reprints: Carl B. Camras, Department of Ophthalmology, 985540 Nebraska Medical Center, Omaha, NE 68198-5540 (e-mail: ctoris@unmc.edu).