title: Acute-Onset Altitudinal Visual Field Defect Caused by Optic Canal Meningioma.
authors.affiliation: Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.|Department of Neurology, Veterans Health Service Medical Center, Seoul, Korea.
authors.forename: Seung Min
authors.initials: SM
authors.lastname: Kim
authors.affiliation: Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
authors.forename: Jookyung
authors.initials: J
authors.lastname: Lee
authors.affiliation: Department of Ophthalmology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Seoul, Korea.
authors.forename: Soo Geun
authors.initials: SG
authors.lastname: Joe
authors.affiliation: Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
authors.forename: Jong S
authors.initials: JS
authors.lastname: Kim
authors.affiliation: Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. sukwon@amc.seoul.kr.
authors.forename: Sun U
authors.initials: SU
authors.lastname: Kwon