ArticleInternational journal of ophthalmology2025
COVID-19's effects on microvascular structure in a healthy retina: an OCTA study.
Article in International journal of ophthalmology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimTo examine the subclinical alterations in the retina and choroid between patients with 2019 coronavirus disease (COVID-19)-related lung involvement and the healthy control group.
methodsIn this prospective case-control study, 85 cases with lung involvement due to COVID-19 and 50 healthy cases were included. Best-corrected visual acuity, intraocular pressure measurement, and anterior and posterior segment examination were performed on both eyes for each individual. Choroidal and retinal changes were examined and recorded by optical coherence tomography angiography.
resultsAll choroidal thickness measurements of the COVID-19 group showed no statistically significant difference when compared to healthy individuals. When vascular density and perfusion density values were compared, there was a decrease in the average of these values in the COVID-19 group, although it was not statistically significant (
conclusionAlthough our data are not statistically significant, the decrease in vascularity and perfusion and the accompanying FAZ expansion are detected in the acute period (1
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