Hemifacial Spasm An Unusual Manifestation of Idiopathic Intracranial Hypertension.Selky, Aki K. M.D.; Purvin, Valerie A. M.D.Journal of Neuro-Ophthalmology: December 1994 Original Article: PDF Only Abstract Abstract Increased intracranial pressure may produce a variety of clinical manifestations, some common and others rare. We present a patient with idiopathic intracranial hypertension whose initial symptom was hemifacial spasm. All signs and symptoms of intracranial hypertension resolved with acetazolamide. (C) Williams & Wilkins 1994. All Rights Reserved.