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Do ophthalmologists run the risk of encountering individuals who are asymptomatically carrying severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) when maintaining elective examinations during the coronavirus disease 2019 pandemic?
In this quality improvement study of samples from 1 examination room, slitlamp breath shield and phoropter surface samples were analyzed by real-time polymerase chain reaction. In 2 of 7 postexamination samples, SARS-CoV-2 viral material was found.
Despite triage systems to exclude patients with coronavirus disease 2019, viral material was found on ophthalmology examination room surfaces; however, the infectivity of the virus samples was unknown.
The new coronavirus disease 2019 (COVID-19) pandemic poses a particular threat to health care professionals; however, there appear to be no objective data that demonstrate the risks of encountering individuals carrying the virus asymptomatically in the case of maintained elective examinations.
To investigate the presence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on the environmental surfaces of an ophthalmology examination room after visits by patients who were asymptomatic and had passed COVID-19 triage.
Design, Setting, and Participants
This is a quality improvement study conducted 1 week after the first officially confirmed COVID-19 case in İzmir Tepecik Training and Research Hospital, İzmir, Turkey, on March 20, 2020. A triage system was used to determine the risk of COVID-19 from patients who were asymptomatic and presented for examination in an ophthalmology clinic. Real-time polymerase chain reaction testing was used to detect the presence of viral RNA material in samples from the biomicroscope stage, slitlamp breath shield, phoropter, tonometer, and door handles. The first group of samples was taken before the beginning of the examinations, and the second group of the samples was taken after the last patient had left the room.
Main Outcomes and Measures
The main outcome was the presence of viral material on surfaces in 5 circular zones with a diameter of 1 m each around where the patients sat.
Thirty-one persons visited the room, of whom 22 underwent ophthalmic examination and 9 were companions. The mean (SD) examination time was 9 (4) minutes (range, 5-13 minutes). Seven samples were taken before examinations and 7 after examinations. Two samples that were taken after examinations were found to be positive for COVID-19, 1 from the slitlamp breath shield and 1 from the phoropter.
Conclusions and Relevance
This study showed the presence of COVID-19 viral material in a circle 1 m in diameter around where the patients sat. However, real-time polymerase chain reaction could only detect viral material, not the infectivity of these virus samples.
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Accepted for Publication: June 28, 2020.
Corresponding Author: Hasan Aytoğan, MD, Department of Ophthalmology, İzmir Tepecik Training and Research Hospital, Yenişehir, Gaziler Cad. No. 468, Konak, İzmir 35020, Turkey (email@example.com).
Published Online: August 3, 2020. doi:10.1001/jamaophthalmol.2020.3154
Author Contributions: Dr Aytoğan had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Drs Aytoğan, Ayıntap, and Özkalay Yılmaz contributed equally.
Concept and design: Aytoğan.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Aytoğan.
Critical revision of the manuscript for important intellectual content: All authors.
Administrative, technical, or material support: All authors.
Supervision: Ayıntap, Özkalay Yılmaz.
Conflict of Interest Disclosures: None reported.
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