CLINICAL CASE OF COMBINED CENTRAL RETINAL ARTERY AND CENTRAL RETINAL VEIN OCCLUSION IN COVID-19

Abstract

The pandemic of novel coronavirus disease (COVID-19) has affected more than 165 million of people worldwide so far. Among the reported ocular manifestations of COVID-19 is central and branch retinal vein occlusion and isolated retinal artery occlusion.Purpose: to study a clinical case of combined central retinal artery and central retinal vein occlusion secondary to COVID-19. Material and methods. Visual acuity measurement, tonometry, slitlamp and fundus examination, spectraldomain optical coherence tomography, ultrasonic Doppler examination of the eye and the orbit, magnetic resonance imaging of the brain, blood pressure examination, general blood test, blood chemistry and coagulation test.Results and discussion. We believe that this rare case of combined vascular occlusion is associated with a combination of factors of which the key role plays the occlusive retinal vasculitis caused by immune-mediated endothelial damage and the hypercoagulable state specific to COVID-19.Conclusions. We hope this study will provide valuable insights into ocular manifestations of COVID-19 and contribute to betterunderstanding of coronavirus disease pathogenesis.