ArticleInternational medical case reports journal2023
Retinal Changes After COVID-19 Infection and COVID-19 Vaccination.
Article in International medical case reports journal, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed, 2 citations in OpenAlex.
- Ophthalmic complications associated with COVID-19: a large US national database analysis.Eye (London, England) · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) disease was first reported in 2019 and was initially associated with respiratory pathology. With the improvement of knowledge about this disease, it was noticed that, among other symptoms, some patients presented visual acuity changes associated with retinal vascular changes, mainly associated with thrombotic phenomena. Later, with the development of vaccines against SARS-CoV-2 disease, cases of visual acuity alterations secondary to thrombotic phenomena were also reported. Case Presentation: In this article, a series of clinical cases with retinal vascular alterations after COVID-19 infection and vaccination are described. Conclusion: COVID-19 infection and vaccination increase the risk of retinal vascular events. The purpose of this article is to present a set of clinical cases with various manifestations of vascular changes in the retina associated with COVID-19 infection and COVID-19 vaccination observed in the Department of Ophthalmology of Centro Hospitalar Universitário de Santo António, in Porto, Portugal.
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Registered trials
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