"Contralateral Dry Eye in Hemifacial Spasm:" A New Clinical Sign.

ABSTRACT: Hemifacial spasm (HFS) is a benign condition characterized by unilateral, involuntary, paroxysmal clonic and tonic contractions of the facial muscles. This condition usually results from a focal demyelination at the root entry zone of the 7th cranial nerve secondary to a vascular loop compression, and hence, it responds to microvascular decompression (MVD) surgery, similar to trigeminal neuralgia. Herein, we report an interesting clinical finding of a contralateral dry eye in the case of HFS, which has not been described previously and discuss the possible underlying mechanisms. A 53-year-old man presented with a 6-month history of involuntary twitching movements of the left hemiface that persisted during sleep, consistent with the diagnosis of HFS. The patient's attempts to voluntarily co

SUBMITTER: Gosal JS 

PROVIDER: S-EPMC6703023 | biostudies-literature | 2019 Jul-Sep

REPOSITORIES: biostudies-literature