Neurology: Optokinetic Nystagmus and Head Thrust/Impulse Testing (Yi Chang)

Authors

Clinical Neurological Sciences, Schulich School of Medicine and Dentistry

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Description

A neurologist is testing for optokinetic nystagmus on a male patient with dark eyes. He is using an OKN strip in the horizontal and vertical directions, as well as performing a head impulse test to identify individuals with hypofunction of the vestibulo-ocular reflex (CN VIII).

Clinician: J. Alexander Fraser, MD, FRCPC, Departments of Clinical Neurological Sciences and Department of Ophthalmology, Western University.

Publication Date

2021

Disciplines

Medicine and Health Sciences

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This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License.

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Video by Clinical Neurological Sciences, Schulich School of Medicine and Dentistry from the Health Education Media Library is used under a CC BY-NC 4.0 License.