Choroidal thickness changes in healthcare professionals wearing surgical masks or FFP2 masks: Pilot study |
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| Affiliation: | 1. Private Anamur Anamed Hospital, Ophthalmology Department, Mersin, Turkey;2. Alanya Alaaddin Keykubat University Education and Research Hospital, Ophthalmology Department, Antalya, Turkey;1. Department of Endodontics and Restorative Dentistry, School of Dental Medicine, University of Zagreb, Croatia;2. Department of Pathology, University of Zagreb School of Medicine, Croatia;3. Private Dental Polyclinic, Zagreb, Croatia;4. Dental Polyclinic Zagreb, Zagreb, Croatia;1. Skin Department of Amaral Carvalho Hospital, Jahu, SP, Brazil;2. Department of Infectology, Dermatology, Imaging Diagnosis and Radiotherapy, Botucatu Medical School (FMB), São Paulo State University (UNESP), Botucatu, SP, Brazil;3. Sao Carlos Institute of Physics, University of Sao Paulo, São Carlos, SP, Brazil |
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| Abstract: | PurposeTo evaluate the choroidal thickness (CT) with enhanced depth-imaging optical coherence tomography (EDI-OCT) in healthcare professionals using surgical masks or FFP2 (N95) masks.MethodsWe included the 120 eyes of 120 healthy volunteers who were using a surgical mask (Group 1) or FFP2 mask (Group 2) in the study. Spectral domain (SD) OCT was used to measure CT. EDI-OCT was used to measure subfoveal and perifoveal CT. Points 1500 μm nasal (CN1500) and temporal (CT1500) to the foveal center were used to measure perifoveal CT. Oxygen saturation and heart rate were measured with a pulse oximeter. All measurements were performed at 8:30, before wearing the mask, and at 12:30, when the mask was removed for the lunch break.ResultsOf a total of 120 subjects, Group 1 consisted of 60 subjects (mean age 38.50±8.60 (range 24–44) years) and Group 2 also consisted of 60 subjects (mean age 36.60±6.53 (range 26–45) years). Although not statistically significant, CT was seen to have increased at 3 measurement points in Group 1 after using the mask for 4 h: subfoveal CT (CSF) (p = 0.545), CT1500 (p = 0.080), and CN1500 (p = 0.251)). In Group 2, the increase in CSF (p = 0.001) was statistically significant while the increases in CN1500 and CT1500 were not (p = 0.162 and p = 0.058, respectively) after using the mask for 4 h.ConclusionWe found CT to increase after 4 h of mask use, and this increase was more marked in Group 2. The increase in subfoveal CT in particular was statistically significant in Group 2. |
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