Related Experiment Video
Updated: Sep 6, 2025

Comparing Objective Conjunctival Hyperemia Grading and the Ocular Surface Disease Index Score in Dry Eye Syndrome During COVID-19
Published on: May 25, 2022
Ophthalmic manifestation after SARS-CoV-2 vaccination: a case series
Snezhana Murgova1, Georgi Balchev2
1Ophthalmology Department, Medical University Pleven, 91 Vladimir Vazov str, Pleven, Bulgaria.
Background:
The aim of this report is to describe ocular side effects in patients who received one of the two COVID-19 vaccines - Astra Zeneca or Pfizer-Biontech and to contribute to the common understanding of the COVID-19 vaccination process.
Results:
Three patients reactivated underlying herpetic disease and developed uveitis and keratitis. Two of them were vaccinated with Pfizer and one was with Astra Zeneca. Two patients were vaccinated with Pfizer-Biontech and had thrombosis on the 8th and 10th days following the day of vaccination. The man has diagnosed with nonarteritic anterior ischemic optic neuropathy and the woman had a subarachnoid haemorrhage, ptosis of upper eyelid and deviated eyeball.
Conclusion:
There is a causal relationship between vaccines and the underlying disease. For more details, further large studies are necessary.
Related Concept Videos
Glaucoma: Overview
Angle Closure Glaucoma: Treatment
Open Angle Glaucoma: Treatment
Drugs such as carbonic anhydrase inhibitors, α2- and...

