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KMID : 0861220110130010013
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Journal of the Korean Society Clinical Neurophysiology
2011 Volume.13 No. 1 p.13 ~ p.20
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Abnormal Ocular Motilities in Movement Disorders
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Park Hong-Kyun
Kim Ji-Soo
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Abstract
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Neuro-ophthalmological findings are common and occasionally prominent features in movement disorders. Accordingly, careful evaluation of the ocular motor functions may provide valuable information in early detection of the diseases and monitoring of the progression. Furthermore, accurate assessment of the abnormal ocular motor findings aids in understanding the pathophysiology and mechanisms of the movement disorders, and in their differential diagnosis. Ocular motility examination should include bedside evaluation and laboratory recording of the fixational abnormalities, saccades, smooth pursuit, the vestibulo-ocular reflex, optokinetic nystagmus, and vergence eye movements. In this review, we will discuss various ocular motor findings in ataxia and parkinsonian syndromes, and hyperkinetic movement disorders.
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KEYWORD
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Movement disorders, Eye movements, Nystagmus, Ophthalmoplegia, Gaze palsy
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