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  • Title: Orbital apex syndrome after ethmoidal artery ligation for recurrent epistaxis.
    Author: Yeh S, Yen MT, Foroozan R.
    Journal: Ophthalmic Plast Reconstr Surg; 2004 Sep; 20(5):392-4. PubMed ID: 15377911.
    Abstract:
    A 34-year-old man with severe, recurrent epistaxis underwent external anterior and posterior ethmoidal artery ligation on the right side. Visual loss from optic neuropathy and complete ophthalmoplegia developed after surgery. Computed tomography revealed surgical clips within the right orbital apex. Emergent removal of the surgical clips and medial wall decompression were performed. Four weeks later, his visual acuity and extraocular motility were unchanged, and diffuse pallor of the right optic disc was observed. Orbital apex syndrome can be a complication of ethmoidal artery ligation. Severe visual loss and ophthalmoplegia may persist despite prompt recognition and treatment.
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