![]() ![]() The Chinese University of Hong Kong’s Faculty of Medicine. CUHK Medicine study shows a higher prevalence of dry eye disease among post-COVID-19 patients. Find out why scientists are tracking links between sore eyes and the viral pandemic. “This finding suggests the risk of tear film instability after recovery from COVID is associated with the severity of the acute infection.” See more dry eye and COVID content Reference 1. March 25, 2021, 3:14 PM 4:26 May Kravitz had COVID-19 briefly but then started experiencing eye pain. Are Sore Eyes a Symptom of COVID-19 Sore eyes are a rare and significant symptom of COVID-19. Kelvin HN Wan, assistant professor in the Department of Ophthalmology and Visual Sciences of CU Medicine, and lead author of the study, in a news release. “We found that every one-point reduction in Ct-value (inversely correlated with the viral load) from the respiratory specimen collected at hospital admission increased the risk of having any dry-eye-related ocular surface symptoms during the first month after recovery by 10%,” said Dr. ![]() Researchers reason this may be due to oxygen delivery causing gas flow to increase the evaporation of tear film. This implied a higher risk for DED when compared to post-COVID-19 participants who had not needed supplementary oxygen during hospitalization. Researchers reported that Participants who were previously treated for COVID-19 and received supplementary oxygen during hospitalization had a tear break-up time (TBUT) that was 1.6 seconds shorter than average (typically +10 seconds), researchers reported. ![]()
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