1. Departments of Ophthalmology (Drs H. Lee and Baek) and Pathology (Dr E. S. Lee), Korea University College of Medicine, Ansan, South Korea; Gangnam Balgensesang Ophthalmology Clinic, Seoul, South Korea (Dr Park); and Department of Ophthalmology, University of Ulsan, College of Medicine Ulsan Medical Center, Ulsan, South Korea (Dr J. Lee).