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Pseudonystagmus--clinical features and quantitative characteristics.
Aasef G Shaikh1, Stephen Reich, David S Zee
1Department of Neurology, The Johns Hopkins University, 600 North Wolfe Street, Pathology 2-210, Baltimore, MD 21287, USA. ashaikh@dizzy.med.jhu.edu
Oscillopsia in multiple sclerosis (MS) patients can stem from head tremor and vestibular hypofunction, causing pseudonystagmus. This condition is not due to typical nystagmus but a lack of compensatory reflex responses.
Area of Science:
- Neuroscience
- Ophthalmology
- Vestibular System
Background:
- A 60-year-old woman with multiple sclerosis (MS) and chronic hearing loss experienced head tremor and vestibular hypofunction.
- This combination led to oscillopsia, a sensation of visual field oscillation.
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