Asymmetrical Blepharospasm Associated with a Right Anterior Cerebral Infarct

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Abstract
A patient is described, who developed blepharospasm secondary to a cortical ischemic lesion in the region of the right anterior cerebral artery. Blepharospasm started as an increased blinking rate in the contralateral eye, and slowly progressed to sustained bilateral orbicularis oculi contractions, which were more severe on the contralateral side. Abnormal blink reflexes suggest a disinhibited excitatory drive to the facial nucleus. Our case warrants the inclusion of blepharospasm in the list of eyelid abnormalities secondary to cerebrovascular hemispheric lesions.

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