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A case of bilateral ischemic optic neuropathy caused by malignant hypertension due to primary aldosteronism Yasuhiko Fujioka 1 , Yoshihito Sakanishi 1 , Nobuyuki Ebihara 1 1Department of Ophthalmology, Juntendo University Urayasu Hospital pp.121-127
Published Date 2026/1/15
DOI https://doi.org/10.11477/mf.037055790800010121

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Abstract Purpose:To report a case of bilateral ischemic optic neuropathy due to chronic hypertension caused by primary aldosteronism, resulting in severe visual acuity and field loss.

Case:A 25-year-old man presented with blurred vision in the right eye. His best-corrected visual acuity(BCVA) was 1.2 in both eyes. Fundus examination revealed cotton-wool spots and papilledema in both eyes. Optical coherence tomography(OCT) showed retinal edema and subretinal fluid in the right eye. His blood pressure was 253/157 mmHg, and he was diagnosed with hypertensive retinopathy. Antihypertensive treatment improved his condition, and retinal findings resolved within three months.

 However, he discontinued medical follow-up, and three years later presented with a sudden decrease in visual acuity. BCVA was 0.4 in the right eye and light perception in the left. Fundus findings showed retinal thinning and expanded foveal avascular zones on OCT angiography. Visual field testing revealed horizontal hemianopia in the right eye and severe central field loss in the left. MRI demonstrated bilateral optic nerve swelling. He was diagnosed with hypertensive optic neuropathy due to primary aldosteronism. Despite steroid pulse therapy and dialysis initiation, his visual function did not recover.

Conclusion:Uncontrolled malignant hypertension can lead to bilateral ischemic optic neuropathy with irreversible visual impairment. Continuous follow-up with both internal medicine and ophthalmology is essential, particularly in young patients.


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

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