1 Glaucoma Service, Massachusetts Eye and Ear, Harvard Medical School Department of Ophthalmology, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.
2 Glaucoma Service, Massachusetts Eye and Ear, Harvard Medical School Department of Ophthalmology, Boston, Massachusetts.
3 Cornea Service, Massachusetts Eye and Ear, Harvard Medical School Department of Ophthalmology, Boston, Massachusetts.
4 Retina Service, Massachusetts Eye and Ear, Harvard Medical School Department of Ophthalmology, Boston, Massachusetts.
5 Glaucoma Service, Massachusetts Eye and Ear, Harvard Medical School Department of Ophthalmology, Boston, Massachusetts. Electronic address: mmtlin@gmail.com.