Scientists in Turkey found that the Pfizer COVID-19 vaccine impacted some people’s corneas.
Scientists have found that Pfizer’s COVID-19 vaccine may increase the risk of serious eye damage, potentially leading to loss of sight, according to a recent study.
The new research conducted by Turkish scientists specifically examined how the jab affected patients’ corneas – the transparent front part of the eye that lets light in. In 64 subjects, changes in the inner layer of the cornea, known as the endothelium, were measured before receiving the first Pfizer dose and two months after the second.
The results indicated that having two doses of the vaccine led to thicker corneas, fewer endothelial cells in the eye, and more variation in the size of these specialised cells that form the endothelium.
In the short term, these alterations suggest the Pfizer vaccine might temporarily weaken the endothelium, even though patients didn’t experience noticeable vision problems during the study. For individuals with healthy eyes, these minor changes likely won’t impact vision immediately.
However, scientists stated that if these changes persist for years, they could result in corneal swelling or blurred vision, particularly in those with pre-existing eye conditions or individuals who have undergone a corneal transplant.
