Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society
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A 53-year-old man presented with an acute headache and mental status changes due to rupture of an anterior choroidal artery aneurysm. A preoperative CT scan demonstrated subarachnoid hemorrhage, bilateral optic nerve sheath hemorrhage, and bilateral intraocular hemorrhage. Ophthalmoscopy and B-scan ocular ultrasound disclosed vitreous hemorrhages, features consistent with Terson syndrome. This is the first CT report of Terson syndrome showing bilateral optic nerve sheath hemorrhage.
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Letter Case Reports
Fluctuating ptosis, diplopia, and normal pupils with intracavernous aneurysm.
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A 52-year-old woman presented with episodic diplopia with a duration of 6 months. Between the episodes, infraduction of the right eye was mildly impaired with retraction of the right upper lid on downgaze. On resuming the primary position after prolonged left gaze, she developed a right esotropia and reduced abduction, supraduction, and infraduction of the right eye. ⋯ The episodic esotropia and ductional deficits were considered to be signs of neuromyotonia. This combination of findings, rarely described before, suggests a link between primary aberrant regeneration and neuromyotonia. Abnormal and excessive conduction triggered by stimulation of a partially damaged nerve probably underlies ocular neuromyotonia.