1. Optical Coherence Tomography Angiography Findings in Patients with COVID-19: Abbreviated title: OCTA in COVID-19 patients

    Optical Coherence Tomography Angiography Findings in Patients with COVID-19: Abbreviated title: OCTA in COVID-19 patients

    Purpose: This study aimed to examine the changes in choriocapillaris and retina caused by COVID-19 by comparing optical coherence tomography angiography (OCTA) findings of COVID-19 patients and healthy controls. Methods: The study and control groups consisted of 54 eyes of 27 participants, each. Patients and controls underwent OCTA examination. Foveal zone vessel density and parafoveal zone vessel density (for four quadrants: nasal, temporal, superior, inferior) were calculated for both superficial and deep capillary plexuses. In addition, choriocapillaris flow and foveal avascular zone (FAZ) areas were calculated. Results: For the parafoveal area, in the study group, vessel density was significantly lower ...

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