Pathai, S Blurred vision and headaches in a patient with hydrocephalus is not always due to shunt malfunction. [electronic resource] - British journal of neurosurgery Dec 2007 - 633 p. digital Publication Type: Letter ISSN: 0268-8697 Standard No.: 10.1080/02688690701658745 doi Subjects--Topical Terms: AdultAnticonvulsants--adverse effectsFemaleFructose--adverse effectsGlaucoma, Angle-Closure--chemically inducedHeadache--etiologyHumansHydrocephalus--complicationsTopiramateVentriculoperitoneal Shunt--adverse effectsVision Disorders--etiology