Abstract
Isolated epileptic nystagmus is defined as a quick, repetitive jerky movement of the eyeball associated with seizure activity on electroencephalography. However, there are no clinical seizures apart from nystagmus. We report a case of 56-year-old male, not a known case of diabetes or hypertension, nonsmoker, who presented with frequent episodes of dizziness along with difficulty in reading in that the lines in newspapers were moving side to side. He was conscious during episodes. He was found to have episodes of gaze deviation to the left with left beating nystagmus lasting for about 30 s. Routine hematological and biochemical parameters were normal. Electroencephalogram showed right parieto-temporo-occipital epileptogenic activity. Magnetic resonance imaging (MRI) brain showed diffusion restriction in the right temporo-occipital region suggestive of small ischemic infarct. Repeat MRI after 1 month was normal. He responded to levetiracetam.
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