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Skew Deviation
1Department of Ophthalmology, College of Medicine, University of Saskatchewan and Oculus Eye Centre, Calgary, Canada.
Abstract:
Ocular skew deviation is an acute vertical misalignment resulting from the disruption of vestibular input to the interstitial nucleus of Cajal, involving the utriculo-ocular pathway, the cerebellum or the thalamus. A large percentage of skew cases associated with globe torsion and head tilt have complex or sinister etiologies, necessitating its differentiation from more common causes of acute onset vertical deviation in a sensitive and cost-efficient manner.This paper briefly reviews the anatomy and vestibular function of the inner ear, outlines the utriculo-ocular pathway, and discusses the things you need to know about skew to aid in clinical oculo-motor practice in 2022.
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