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Retinal OCT Findings in Patients after COVID Infection

Chair and Clinical Department of Ophthalmology, Faculty of Medical Sciences, Zabrze Medical University of Silesia in Katowice, 40-760 Katowice, Poland
Department of Ophthalmology, District Railway Hospital in Katowice, 40-760 Katowice, Poland
Temporary Hospital of Health Care Facility of the Ministry of the Interior and Administration in Katowice, 40-163 Katowice, Poland
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Fumi Gomi
J. Clin. Med. 2021, 10(15), 3233;
Received: 14 June 2021 / Revised: 14 July 2021 / Accepted: 19 July 2021 / Published: 22 July 2021
Purpose: The aim of this study was to assess and compare the optic nerve, retina, and retinal vessel parameters in recovered COVID-19 patients and healthy patients by using optical coherence tomography angiography (OCT-a). Methods: In all, 156 eyes of post-COVID-19 patients and 98 eyes of subjects from a control group were enrolled in our study. BCVA, intra ocular pressure (IOP) measurement, fundus examination, and OCT images, including macular cube, OCT-RNFL, and angio-OCT 6 × 6 mm examinations, were performed for both groups. The measurements were acquired using Swept Source OCT DRI OCT Triton. In the post-COVID-19 group, 762 OCT protocols were obtained. For statistical analysis, parameters from only one eye from each subject were taken. Results: In the measured parameters, no significant differences were observed, i.e., central macular thickness (p = 0.249); RNFL (p = 0.104); FAZ (p = 0.63); and vessel density of superficial retinal vascular plexus in central (p = 0.799), superior (p = 0.767), inferior (p = 0.526), nasal (p = 0.402), and temporal (p = 0.582) quadrants. Furthermore, a slit-lamp examination did not reveal any COVID-19-related abnormalities. Conclusion: OCT examination did not detect any significant changes in morphology or morphometry of the optic nerve, retina, or the retina vessels due to COVID-19. View Full-Text
Keywords: COVID-19; optical coherence tomography; angiography; retina; choroid; vascular complications COVID-19; optical coherence tomography; angiography; retina; choroid; vascular complications
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MDPI and ACS Style

Szkodny, D.; Wylęgała, E.; Sujka-Franczak, P.; Chlasta-Twardzik, E.; Fiolka, R.; Tomczyk, T.; Wylęgała, A. Retinal OCT Findings in Patients after COVID Infection. J. Clin. Med. 2021, 10, 3233.

AMA Style

Szkodny D, Wylęgała E, Sujka-Franczak P, Chlasta-Twardzik E, Fiolka R, Tomczyk T, Wylęgała A. Retinal OCT Findings in Patients after COVID Infection. Journal of Clinical Medicine. 2021; 10(15):3233.

Chicago/Turabian Style

Szkodny, Dominika, Edward Wylęgała, Paulina Sujka-Franczak, Edyta Chlasta-Twardzik, Rafał Fiolka, Tomasz Tomczyk, and Adam Wylęgała. 2021. "Retinal OCT Findings in Patients after COVID Infection" Journal of Clinical Medicine 10, no. 15: 3233.

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