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Study links Pfizer COVID vaccine to eye damage

A Turkish study finds potential eye health risks associated with Pfizer's COVID-19 vaccine.

July 18, 2025 at 04:04 PM
blur Scientists discover Pfizer COVID jab linked to major eye damage

A Turkish study suggests potential long-term eye damage from Pfizer's COVID-19 vaccine.

New study reveals Pfizer COVID vaccine may harm eyes

Researchers in Turkey have identified a potential link between Pfizer's COVID-19 vaccine and changes in eye health. The study, published in Ophthalmic Epidemiology, found that after receiving both doses, patients showed a thickening of the cornea and reduced cell density in the endothelium, the inner layer of the cornea. Out of 64 participants, measurements taken before and after vaccination revealed a two-percent thickness increase and an eight-percent decrease in endothelial cells. While no immediate vision problems were reported, scientists warn these changes could lead to serious conditions like corneal edema if they persist long-term. The team emphasized the need for ongoing monitoring in individuals who already have eye issues or have had eye surgeries.

Key Takeaways

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The vaccine may cause corneal thickening affecting 64 participants in a Turkish study.
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Endothelial cell density dropped by eight percent after vaccination.
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Changes could lead to serious eye conditions if they persist long-term.
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No visible vision problems were reported during the short study period.
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Continuous monitoring is crucial for those with pre-existing eye issues.
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New findings add to concerns over COVID-19 vaccines' side effects.

"The endothelium should be closely monitored in those with a low endothelial count or who have had a corneal graft."

This caution from researchers emphasizes the need for vigilance in monitoring vulnerable patients post-vaccination.

"If these changes last for years, they could lead to corneal swelling or blurry vision."

This warning underlines the potential severity of the identified risks associated with the vaccine.

This research raises important questions about the long-term safety of vaccines, particularly regarding less-studied side effects. As vaccination campaigns continue globally, the potential impact on eye health may prompt further scrutiny. With prior concerns over the vaccine's links to heart issues, this new finding adds to the layer of public hesitation surrounding COVID-19 vaccinations. Experts recommend that those with existing eye conditions consult their doctors about potential risks, highlighting the need for transparent communication from health authorities.

Highlights

  • Eye health may be at risk for those vaccinated with Pfizer.
  • This study highlights the need for long-term monitoring of vaccine side effects.
  • Vaccine safety concerns grow as eye damage links emerge.
  • Thicker corneas could signal serious eye health issues.

Potential risks linked to Pfizer vaccine

Findings indicate potential long-term eye damage associated with the Pfizer COVID-19 vaccine, particularly for those with pre-existing conditions. Researchers call for thorough monitoring of affected individuals.

Ongoing research is necessary to clarify these findings and their implications for public health.

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