Primary position spontaneous vertical nystagmus; pathophysiology and review of the literature - Upbeat nystagmus, downbeat nystagmus, and alternating vertical nystagmus treated by the authors.

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Primary position upbeat nystagmus in Wernicke's encephalopathy.

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Congenital hereditary vertical nystagmus.

Duke-Elder (1949) states that congenital nystagmus varies considerably in extent, direction, and rapidity of the movements. In most cases it affects both eyes equally, but in a few instances it is uniocular. Typically the movements are pendular in type, horizontal in direction, and do not alter on lateral deviation, although they may then become jerky in type. Sometimes the movement is coarser ...

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Lithium-induced downbeat nystagmus

We report the case of a 76-year old lady under lithium carbonate for a bipolar disorder who presented with a suspected optic neuritis. A typical lithium-induced downbeat nystagmus was observed. Discontinuation of lithium therapy resulted in frank improvement in visual acuity and disappearance of the nystagmus.

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Vertical acquired pendular nystagmus: oculomotor findings, localizing value and pathophysiology

OBJECTIVES: Evaluation of the localizing value and pathogenesis of vertical APN through examination of patients with this nystagmus form and different diagnosis. DESIGN: Three patients with vertical APN with different diseases (brainstem infarct, brainstem encephalitis and brainstem haemorrhage), but with similar topic of lesions, are presented. For registration of the nystagmus AC-electrooculo...

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Unilateral vertical nystagmus: the Heimann-Bielschowsky phenomenon.

OBJECTIVE To present clinical feature of Heimann-Bielschowsky phenomenon and strabismus association. DESIGN Retrospective case series. MATERIAL AND METHOD Medical records of cases between January 2004 and January 2008 were reviewed. Eight cases met the criteria. Age, sex, visual acuity, and eye examination data were collected. RESULTS Six cases were male and two cases were female. Age at ...

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ژورنال

عنوان ژورنال: Practica Oto-Rhino-Laryngologica

سال: 1986

ISSN: 1884-4545,0032-6313

DOI: 10.5631/jibirin.79.193