Drug-Related Eyelid Nystagmus: Two Cases of a Rare Clinical Phenomenon Related to Carbamazepine and Derivatives.

Background: Eyelid nystagmus is a rare clinical phenomenon described mostly related to brainstem or cerebellum lesions. The mechanism of this phenomenon is incompletely understood.

Patients And Methods: We report 2 cases of eyelid nystagmus induced by carbamazepine and oxcarbazepine intoxication.