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Impact of COVID-19 on corneal esthesiometry
  1. Lucas Baldissera Tochetto1,
  2. Dalton de Freitas Santoro1,
  3. Flavio Hirai1,
  4. Danielle Dias Conte1,
  5. Ana Luisa Höfling-Lima1,
  6. Luciene B Sousa1,
  7. Nancy Cristina Junqueira Bellei2,
  8. Denise De Freitas1,
  9. Lauro Augusto de Oliveira1
  1. 1 Department of Ophthalmology and Visual Science, Federal University of Sao Paulo, Sao Paulo, Brazil
  2. 2 Department of Medicine, Federal University of Sao Paulo, Sao Paulo, São Paulo, Brazil
  1. Correspondence to Dr Lauro Augusto de Oliveira, Department of Ophthalmology and Visual Science, Federal University of Sao Paulo, 04039-032 Sao Paulo, Brazil; laopadilha{at}gmail.com

Abstract

Individuals with suspected COVID-19 symptoms (n=202) were tested using nasopharyngeal RT-qPCR. All individuals underwent corneal esthesiometry measurements using the Cochet-Bonnet esthesiometer during their first visit; 50 participants underwent an additional measurement at a mean interval of 32.5 (17.8) days. COVID-19 was confirmed in 101 subjects (50%) using nasopharyngeal PCR. The mean time from symptom onset to disease diagnosis and corneal esthesiometry was 4.2 (2.1) days. Mean corneal esthesiometry findings based on the positive and negative PCR status indicated no statistical difference. This study demonstrated that COVID-19 had no effect on corneal esthesiometry in individuals with acute-phase COVID-19.

  • cornea

This article is made freely available for personal use in accordance with BMJ’s website terms and conditions for the duration of the covid-19 pandemic or until otherwise determined by BMJ. You may use, download and print the article for any lawful, non-commercial purpose (including text and data mining) provided that all copyright notices and trade marks are retained.

https://bmj.com/coronavirus/usage

https://doi.org/10.1136/bjophthalmol-2021-320003

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    Footnotes

    • Contributors LBT contributed to data collection and wrote the paper. DdFS contributed to data collection and contibuted data/analysis tools. FH contributed to data/analysis tools and performed the analysis. DDC performed the analysis. ALH-L contributed to data/analysis tools. LBS contributed to data/analysis tools. NCJB conceived and designed the analysis; and contributed to data/analysis tools. DDF conceived and designed the analysis; and contributed to data/analysis tools. LAdO conceived and designed the analysis and helped to wrote the paper.

    • Funding This study was funded by Coordination for the Improvement of Higher Education Personnel (CAPES), Ministry of Education, Brazil and the Federal University of São Paulo (No grant number).

    • Disclaimer The sponsors or funding organisations had no role in the design or conduct of this research.

    • Competing interests None declared.

    • Provenance and peer review Commissioned; internally peer reviewed.