Journal d'ophtalmologie clinique et expérimentale
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Peripapillary Vascular Changes in Nonarteritic Anterior Ischemic Optic Neuropathy by Optical Coherence Tomography Angiography: A Case Report

Chun-Hsiu Liu, Ling-Yuh Kao, Wei-Chi Wu and Henry Shen-Lih Chen

Background: To report the sequential peripapillary vascular changes in nonarteritic anterior ischemic optic neuropathy (NAION) with optical coherence tomography angiography (OCTA)
Methods: A 60-year-old male presented with right eye painless vision loss leading to inferior field defects and right eye 0.5 vision. The sequential OCTA was performed at presentation and 5 months later to evaluate the peripapillary vascular changes.
Results: At presentation, the OCTA revealed decreased peripapillary capillary perfusion in the area corresponding to the nerve fiber swelling, along with increased blood flow of the major retinal vessel. Five months later, the OCTA showed decreased blood flow in the major retinal vessel. The attenuation of peripapillary capillary plexus became more prominent.
Conclusion: OCTA can be a useful tool to demonstrate the detailed peripapillary vascular changes in NAION at the early stage of the disease.