Abstract
A 61-year-old woman presented with sudden vision loss from a left anterior optic neuropathy in the context of severely elevated intraocular pressure after starting topical steroids for anterior uveitis related to herpes zoster ophthalmicus (HZO). The strong temporal relationship between the vision loss and elevated IOP suggested the vision loss was related to nonarteritic anterior ischemic optic neuropathy (NAION). Anterior chamber paracentesis did not detect varicella zoster virus (VZV) and magnetic resonance imaging of the orbits was normal. Her vision remained stable and the optic disc edema resolved within 3 months. The occurrence of NAION following an acute elevation of intraocular pressure (IOP) is well-documented in the context of surgical procedures, glaucoma, uveitis and trauma. This case indicates that not every optic neuropathy in close temporal relationship with HZO is directly attributable to the virus. NAION may also occur after steroid-related IOP spikes and ophthalmologists should ensure that patients on topical steroids are closely monitored for ocular complications.
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3 articles.
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