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Neurology. 2004 Mar 9;62(5):784-7.

Vertical oscillopsia in bilateral superior canal dehiscence syndrome.

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Department of Neurology, Institute of Clinical Radiology, Klinikum Grosshadern, Ludwig-Maximilians University, Munich, Germany.


A patient sought treatment for vertical oscillopsia and impaired vision during locomotion, and unsteadiness of gait. Positive fistula tests and CT of the temporal bones confirmed a diagnosis of bilateral superior canal dehiscence. An impairment of the superior canal vestibulo-ocular reflex, documented by three-dimensional search coil eye movement recordings for oblique (single) and downward pitch head motion (bilateral canal testing), is proposed to induce vertical rather than torsional-vertical oscillopsia during locomotion.

[Indexed for MEDLINE]

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