Nur Ain Mohamad, Meng Hsien Yong, Safinaz Mohd Khialdin, Mae-Lynn Catherine Bastion
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引用次数: 0
Abstract
Significance: Acute macular neuroretinopathy (AMN) is a rare disease that causes transient or permanent visual disturbance. The exact etiology remains unknown, but vascular compromise of the deep retinal capillary plexus was postulated as the main mechanism. Retinal vascular event post-coronavirus disease 2019 (COVID-19) infection is recently highlighted during the pandemic, which includes AMN.
Purpose: To report a case of AMN post-COVID-19 infection.
Case report: A 24-year-old Indian woman presented with acute-onset painless bilateral central scotoma for a day. The symptom was preceded by a history of COVID-19 infection 3 weeks prior. Ocular examination revealed a near-normal visual acuity for both eyes. Fundus examination showed bilateral dull foveal reflex with mild scattered cotton wool spot and vascular tortuosity. Optical coherence tomography macula revealed a distinct short hyperreflective band involving the outer plexiform and outer nuclear layers nasal to the fovea. The Bjerrum perimetry test revealed central scotoma temporal to the fixation. Optical coherence tomography lesions and scotomas are identical and congruous in both eyes. Serial fundus photographs are captured showing the evolving changes of near-normal macula to pigmented wedge-shaped petaloid lesions around the fovea. The patient was diagnosed as bilateral AMN and treated with oral prednisolone. On subsequent follow-up, the central scotoma improved.
Conclusions: This case illustrates a clear temporal and possible causal relationship of COVID-19 infection with AMN. Further studies and data are required to justify its association, but the rising cases of AMN shall be anticipated as COVID-19 infections have become endemic worldwide.
期刊介绍：
Optometry and Vision Science is the monthly peer-reviewed scientific publication of the American Academy of Optometry, publishing original research since 1924. Optometry and Vision Science is an internationally recognized source for education and information on current discoveries in optometry, physiological optics, vision science, and related fields. The journal considers original contributions that advance clinical practice, vision science, and public health. Authors should remember that the journal reaches readers worldwide and their submissions should be relevant and of interest to a broad audience. Topical priorities include, but are not limited to: clinical and laboratory research, evidence-based reviews, contact lenses, ocular growth and refractive error development, eye movements, visual function and perception, biology of the eye and ocular disease, epidemiology and public health, biomedical optics and instrumentation, novel and important clinical observations and treatments, and optometric education.
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