1. From the Glaucoma Service, Department of Ophthalmology, Chang Gung Memorial Hospital, Taipei, Taiwan;2Chang Gung University, College of Medicine, Tao-Yuan, Taiwan;
2. New York Eye and Ear Infirmary, New York, New York;4The New York Medical College, Valhalla, New York;
3. Department of Ophthalmology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois;
4. Taipei Medical University, Taipei, Taiwan; and the7Department of Ophthalmology, Taipei City Hospital, Taipei, Taiwan.