Abstract
Background: The main objective of this study was to use citation networks to analyze the relationship between different publications on the impact of COVID-19 at an ocular level and their authors. Furthermore, the different research areas will be identified, and the most cited publication will be determined. Materials and Methods: The publications were searched within the Web of Science database, using “ocular”, “SARS-CoV-2”, “ophthalmology”, “eyesight”, and “COVID-19” as keywords for the period between January 2020 and January 2021. The Citation Network Explorer and the CiteSpace software were used to analyze the different publications. Results: A total of 389 publications with 890 citations generated on the web were found. It must be highlighted that July was the month with the largest number of publications. The most cited ones were “Characteristics of Ocular Findings of Patients with Coronavirus Disease 2019 (COVID-19) in Hubei Province, China” by Wu et al., which was published in May 2020. Three groups covering the different research areas in this field were found using the clustering functions: ocular manifestations, teleophthalmology, and personal protective equipment. Conclusions: The citation network has shown a comprehensive and objective analysis of the main studies on the impact of COVID-19 in ocular disease.
Highlights
IntroductionCoronaviruses are a member of the Coronaviridae family from the Nidovirales order
Coronaviruses are a member of the Coronaviridae family from the Nidovirales order.The name stems from the presence of crown-like spikes on the surface of the virus, called coronavirus
The first articles on the influence of COVID-19 at the ocular level were published at the beginning of 2020, so the period selected for the search was from January 2020 to January 2021
Summary
Coronaviruses are a member of the Coronaviridae family from the Nidovirales order. The name stems from the presence of crown-like spikes on the surface of the virus, called coronavirus These viruses are tiny (65–125 nm of diameter) and contain a singlestranded RNA as genetic material, with a size that varies from 26 to 32 kilobases (kb) of length. There are four subgroups within the coronavirus family: alpha (α), beta (β), gamma (γ), and delta (δ) [1]. Several coronaviruses can infect human beings, such as the endemic human coronaviruses that exist worldwide (HCoV-229E, HCoV-NL63, HCoV-HKU1, and HCoVOC43) that tend to cause a mild respiratory disease, in addition to the MiddleEast Respiratory Syndrome (MERS-CoV) and the Severe Acute Respiratory Syndrome (SARS-CoV) that present a higher case fatality rate [2].
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