KMID : 1038920210200020084
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Annals of Optometry and Contact Lens 2021 Volume.20 No. 2 p.84 ~ p.87
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Nonarteritic Anterior Ischemic Optic Neuropathy Simultaneously Associated with Hashimoto¡¯s Thyroiditis
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Lee Song-Min
Lee Sae-Mi Suh Sung-Hwan Ryu Won-Yeol
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Abstract
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Purpose: To report one case of nonarteritic anterior ischemic optic neuropathy (NAION) simultaneously associated with Hashimoto¡¯s thyroiditis.
Case summary: A-51-year-old man with no underlying disease and painless blurring of vision in his left eye that lasted for a week visited our office. His best-corrected visual acuity was 20/20 in the right eye and 20/1,000 in the left eye. Ophthalmological examination showed a relative afferent pupillary defect in the left eye. Fundoscopic examination revealed swelling of the left optic disc; however, orbital magnetic resonance imaging was normal. Visual field testing by automated perimetry showed a dense central scotoma defect in the left eye. The possibility of optic neuritis was considered; thus, intravenous methylprednisolone (1 g/day) was initiated for 3 consecutive days. Three days after therapy, his visual field showed an inferior altitudinal defect; thus, anterior ischemic optic neuropathy was diagnosed in the left eye. Before the therapy, the anti-thyroid peroxidase antibody level was high, and Hashimoto thyroiditis was detected by thyroid ultrasonography.
Conclusions: This is the first reported case of NAION associated with concurrent Hashimoto¡¯s thyroiditis. Notably, the patient had none of the risk factors associated with NAION.
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KEYWORD
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Autoimmune diseases, Hashimoto¡¯s thyroiditis, Nonarteritic anterior ischemic optic neuropathy, Optic disc swelling
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