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Rare eye symptoms related to Covid-19

A group of scientists in California (USA) has just shown Covid-19 may increase the risk of rare and vision-threatening blood clots forming.

Research published in the journal JAMA Ophthalmology Note that this rare condition can persist for many months after recovery.

The research team identified infection SARS-CoV-2 increases the risk of blood vessel blockage at many different sites in the body. Research was conducted to see if the patient had formed blood clots in the veins and arteries of the retina; whether the nerve tissue at the back of the eye receives and sends images to the brain. Nearly 500,000 people participated in the study.

After 6 months, 65 of these patients developed retinal vein occlusion. The team said the number was low, but it was a 54% increase from the pre-existing rate Covid-19.

The results also showed that blood clots in the retinal arteries of Covid-19 patients increased by more than 35% compared to before. According to the research team, it is still not possible to prove that Covid-19 directly causes blood clots in the eyes. Because blood clots most commonly occur in patients at high risk for blood vessel problems such as diabetes, high blood pressure, high cholesterolaccording to Reuters.

Research also contributes to increasing the link between Covid-19 and eye-related problems. Previously, a new study from the Chinese University of Hong Kong has noted that people infected with Covid-19 may have an increased risk of dry eye disease. These patients often experience blurred vision followed by itching, pain, and burning South China Morning Post.

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