People who received a COVID-19 vaccine have an increased risk of a serious eye problem, according to a new study.
The risk of retinal vascular occlusion “increased significantly” after a first or second dose of the messenger RNA (mRNA) COVID-19 vaccines, researchers reported in a study published by Nature.
The Pfizer and Moderna COVID-19 vaccines both use mRNA technology.
Retinal vascular occlusion refers to the blockage of veins or vessels that carry blood to or from the retina. It can cause sudden vision loss.
Out of 207,626 Pfizer vaccine doses administered in the population that was studied, 226 cases of the eye problem were detected after two years. Among 97,918 Moderna vaccine doses administered, 220 cases were detected over the same time….