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A case of recurrent acute retinal necrosis occurred in the fellow eye after the initial acute retinal necrosis Shunsuke Kodama 1 , Shumpei Obata 1 , Yoshitsugu Saishin 1 , Yuki Nishi 1 , Masahito Ohji 1 1Department of Ophthalmology, Shiga University of Medical Science pp.1116-1122
Published Date 2024/9/15
DOI https://doi.org/10.11477/mf.1410215274
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Abstract Purpose:To report a case of recurrent acute retinal necrosis(ARN)in the fellow eye, 9 years after the initial manifestation of ARN caused by herpes simplex virus type 1(HSV-1).

Case:A 77-year-old man initially presented with decreased vision in the left eye in March 2013 and was referred to our hospital with a diagnosis of uveitis. On initial examination at our hospital, the best corrected visual acuity was 0.9 in the right eye, and 0.2 in the left eye. The intraocular pressure was 17 mmHg in the right eye and 11 mmHg in the left eye. A white necrotic lesion was identified in the left fundus, and HSV was detected in the aqueous humor via PCR testing, leading to a diagnosis of HSV-ARN. He underwent systemic administration of acyclovir and corticosteroids, along with prophylactic vitrectomy, resulting in the resolution of the fundus lesions. The best corrected visual acuity of the right eye was 1.0 and that of the left eye was 0.02. in December 2021, he noticed floaters in his right eye, 9 years after the initial onset of ARN. Best-corrected visual acuity was 0.9 in the right eye and counting fingers at 10 cm in the left eye. Intraocular pressure measured 14 mmHg in both eyes. There were inflammatory cells in the anterior chamber;iridocyclitis, vitreous opacity, and retinal arteritis were detected in the right eye. HSV1-ARN recurred in the fellow eye by detecting HSV-1 in the aqueous humor via a PCR test. He responded positively to systemic administration of acyclovir and corticosteroids, and the vitreous opacity and retinal arteritis resolved 1 month after treatment. Best corrected visual acuity was recovered to 1.0 in the right eye.

Conclusion:Patients with ARN should be followed up carefully for long time, because ARN can recur in the fellow eye sometimes years after initial onset.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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