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10.1016/j.pdpdt.2021.102279

http://scihub22266oqcxt.onion/10.1016/j.pdpdt.2021.102279
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33813019!ä!33813019

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suck abstract from ncbi


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pmid33813019      Photodiagnosis+Photodyn+Ther 2021 ; 34 (ä): 102279
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  • Evaluation of the effect of n95 face mask used by healthcare professionals on choroidal thickness #MMPMID33813019
  • Karatas Durusoy G; Gumus G; Demir G
  • Photodiagnosis Photodyn Ther 2021[Jun]; 34 (ä): 102279 PMID33813019show ga
  • PURPOSE: We aimed to show the changes in choroidal thickness (CT) with spectral domain optical coherence tomography (SD-OCT) after prolonged use of N95 mask. METHOD: The healthcare workers who use the N95 face-mask, between 30-50 years of age who have best corrected visual acuity (BCVA) >/=10/10, spherical or cylindrical refraction errors less than 2 diopters, with normal intra ocular pressure (IOP), axial length (AL) between 22-24 mm included in the study. The choroid was imaged with enhanced depth imaging (EDI) techniques using SD-OCT. CT was measured, subfoveal, at 1000 mum nasal and temporal of the center of the fovea. Measurements were first made after wearing the N95 mask for at least 2 h without removing it and repeated 15 min after removing. RESULTS: After 2 h of the N95 mask using without removal, the mean subfoveal CT was 293.56 +/- 76.12(min:185, max:479), the mean temporal CT was 253.81 +/- 63.48(min:172, max:384), the mean nasal CT was 239.18 +/- 53.92(min:139, max:356). Fifteen minutes after removal of the N95 mask, the mean subfoveal CT was 250.56 +/- 52.48(min:172, max:397), the mean temporal was 218.40 +/- 53.58(min:129, max:354), the mean nasal CT was 210.67 +/- 53.31(min:132, max:366). The differences in subfoveal, temporal and nasal CT between 2 h of N95 mask use and 15 min after removal of the mask were statistically significant (p < 0.05 for each). CONCLUSION: Hypercapnia due to prolonged use of the N95 mask may cause choroidal hemodynamic changes and transient increased choroidal thickness.
  • |*N95 Respirators[MESH]
  • |*Photochemotherapy/methods[MESH]
  • |Choroid/diagnostic imaging[MESH]
  • |Delivery of Health Care[MESH]
  • |Health Personnel[MESH]
  • |Humans[MESH]
  • |Photosensitizing Agents[MESH]


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