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. 2023 Dec 6;8(1):e001336.
doi: 10.1136/bmjophth-2023-001336.

Systematic review exploring the clinical features of optic neuritis after SARS-CoV infection and vaccination

Iliana Georganta  1 , Despoina Chasapi  1 , Charlotte Jayne Smith  1 , Konstantinos Kopsidas  2 , Andrew Tatham  3   4
Affiliations

Systematic review exploring the clinical features of optic neuritis after SARS-CoV infection and vaccination

Iliana Georganta et al. BMJ Open Ophthalmol. .

Abstract

Background: This study aims to characterise the symptoms and clinical features of optic neuritis (ON) following SARS-CoV-2 infection and vaccination.

Method: A literature search was conducted in four databases (PubMed, Medline, Embase and Google Scholar) to identify relevant case reports and case series. The records were screened and articles adhering to the inclusion criteria were critically appraised.

Results: Sixty-eight studies were found to be eligible for inclusion, including 34 reporting ON following SARS-CoV-2 infection and an equal number reporting cases postvaccination. In total 93 patients and 125 eyes were included. The infection cohort included 42 patients and 56 eyes, 51.2% were female and 33.3% experienced bilateral ON. The mean visual acuity was 1.64 log of minimum angle of resolution (LogMAR), while pain was present in 77.8%. Oligoclonal bands were present in 3 patients, myelin oligodendrocyte glycoprotein (MOG) antibodies in 18 patients and AQP-4 antibodies in 4 patients. The vaccination cohort included 51 patients and 69 eyes. 60.8% were female and 35.3% had a bilateral ON. The mean visual acuity was 0.93 LogMAR. Oligoclonal bands were present in 46.7%, MOG antibodies in nine patients and AQP-4 antibodies in three patients.

Conclusion: Patients with ON post-SARS-CoV infection were more likely to experience severe visual impairment than in cases following vaccination. Further research is required to outline the clinical features of ON after COVID-19 infection and vaccination, and establish causality.

Keywords: COVID-19; inflammation; optic nerve.

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Conflict of interest statement

Competing interests: None declared.

Figures

Figure 1
Figure 1
PRISMA flow diagram demonstrating the identification and inclusion of studies.
See this image and copyright information in PMC

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