1. From the Hamilton Glaucoma Center, Department of Ophthalmology, University of California San Diego, La Jolla, California; the 2Department of Ophthalmology, University of São Paulo, São Paulo, Brazil;
2. From the Hamilton Glaucoma Center, Department of Ophthalmology, University of California San Diego, La Jolla, California;
3. the Department of Ophthalmology, University of Alabama, Birmingham, Alabama; and
4. the Department of Ophthalmology, New York Eye and Ear Infirmary, New York, New York.