Gaze-evoked blepharoclonus.
Painful bilateral orbicularis clonus on eccentric gaze developed in 2 patients with demyelinating disease. This unusual phenomenon was of variable intensity but persisted for years and did not respond to phenytoin or carbamazepine therapy.
D000328:Adult; D001764:Blepharospasm / Q000209:etiology*; D003711:Demyelinating Diseases / Q000150:complications; D005141:Eyelid Diseases / Q000209:etiology*; D005403:Fixation, Ocular; D006801:Humans; D008297:Male