Severe acute respiratory Syndrome-Coronavirus-2: Can it be detected in the retina?

Article Ophthalmology

Absence of Severe Acute Respiratory Syndrome-Coronavirus-2 RNA in Human Corneal Tissues

Tarek Bayyoud et al.

Summary: In this study, no SARS-CoV-2 RNA was detected in conjunctival, anterior chamber fluid, and corneal tissues (endothelium, stroma, and epithelium) of COVID-19 donors. This indicates that the risk of SARS-CoV-2 infection through corneal or conjunctival tissue is very low. However, further research on a larger number of COVID-19 patients is needed to validate these findings.

CORNEA (2021)

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Article Ophthalmology

Can SARS-CoV-2 infect the eye? An overview of the receptor status in ocular tissue

Sven Schnichels et al.

Summary: The current research suggests that the new coronavirus SARS-CoV-2 can potentially infect ocular tissue through the presence of specific receptors like ACE2 and TMPRSS2. However, the expression levels of these receptors in the eye vary and the amount of virus or receptor expression needed for infection is unknown. Overall, while the eye may not be considered a high-risk tissue for infection, appropriate protective measures are still necessary.

OPHTHALMOLOGE (2021)

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Review Virology