IAUPR School of Optometry CAI - Library

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A Complete Analysis of COVID-19 and the Eye 🦠 👁
From past to present, we review the impact of this disease on our patients.
There are two different philosophies on COVID-19 transmission through the eye. The first considers the conjunctiva as a direct inoculation site of infected droplets. The second centers around the nasolacrimal duct as a way for viral movement to enter the gastrointestinal and respiratory tracts.
One recent study showed that even though conjunctival cells expressed SARS-CoV-2, an infection did not result. A study published in July 2022 determined that SARS-CoV-2 was detectable with a conjunctival sac swab by polymerase chain reaction (PCR) testing in patients who had a PCR-positive nasopharyngeal swab, but the positivity rate was only about 12%.
www.reviewofoptometry.com/article/a-complete-analysis-of-covid19-and-the-eye