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KMID : 0213520090230010059
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Korean Journal of Ophthalmology
2009 Volume.23 No. 1 p.59 ~ p.61
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The Effect of an Intravitreal Triamcinolone Acetonide Injection for Acute Nonarteritic Anterior Ischemic Optic Neuropathy
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Son Byeong-Jae
Chun Bo-Young
Kwon Jung-Yoon
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Abstract
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The purpose of this case report is to evaluate the visual outcome of an intravitreal triamcinolone acetonide injection (IVTA) as a treatment for a patient with acute nonarteritic anterior ischemic optic neuropathy (NAION). A 65-year-old male patient with severe visual loss due to acute NAION was treated with 4 mg/0.1mL IVTA. Fundus examination and measurements of the patient’s best-corrected visual acuity and visual field were performed before and after the injection at 2 weeks, 1 month, 3 months, and 6 months. The best-corrected visual acuity changed from 0.05 before the injection to 0.16 at 2 weeks, 0.3 at 1 month, and 0.4 at 3 months and at the final visit. Optic disc swelling had markedly decreased at 1 week postoperatively and disappeared at 2 weeks after the injection. The clinical course of this patient suggests that an IVTA may be effective in increasing visual acuity following an acute NAION. A large randomized controlled trial is needed to assess the efficacy of IVTA as a treatment for NAION.
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KEYWORD
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Best-corrected visual acuity, Intravitreal triamcinolone acetonide injection (IVTA), Nonarteritic anterior ischemic optic neuropathy (NAION), Optic disc edema
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