title: Foggy visual field defect.
abstract: A 32-year-old female migraneur developed a right incongruous homonymous hemianopia after taking the antiepileptic agent, topiramate. The visual field defect partially resolved when the medication was discontinued. The differential diagnosis of the homonymous hemianopia is discussed.
authors.affiliation: Neuro-Ophthalmology Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania 19107, USA.
authors.forename: Rod
authors.initials: R
authors.lastname: Foroozan
authors.forename: Lawrence M
authors.initials: LM
authors.lastname: Buono
mesh_terms: D000328:Adult; D000927:Anticonvulsants / Q000009:adverse effects*; D001165:Arteriovenous Malformations / Q000150:complications; D003937:Diagnosis, Differential; D005260:Female; D005632:Fructose / Q000009:adverse effects* / Q000031:analogs & derivatives*; D006423:Hemianopsia / Q000139:chemically induced* / Q000175:diagnosis; D006801:Humans; D008279:Magnetic Resonance Imaging; D008881:Migraine Disorders / Q000150:complications; D012640:Seizures / Q000209:etiology; D013702:Temporal Lobe / Q000002:abnormalities; D000077236:Topiramate; D014792:Visual Acuity; D058609:Visual Field Tests; D014794:Visual Fields / Q000187:drug effects*
chemical_list: D000927:Anticonvulsants; D000077236:Topiramate; D005632:Fructose