The Effect of Wearing N95 Respirator Masks on Intraocular Pressure of Health Care Workers
Objective: We determined if there was a significant change in the intraocular pressure (IOP) of healthcare workers with extended use of N95 masks. Methods: This was a prospective time-series study involving 58 eyes of 29 healthcare workers who were assigned to 3 groups: surgical mask (control) an...
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Philippine Academy of Ophthalmology
2022-12-01
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| Series: | Philippine Journal of Ophthalmology |
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| Online Access: | https://paojournal.com/index.php/pjo/article/view/52 |
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| author | Denise Patricia M. Granada, MD Paolo S. Silva, MD Rainier Victor A. Covar, MD, MMed |
| author_facet | Denise Patricia M. Granada, MD Paolo S. Silva, MD Rainier Victor A. Covar, MD, MMed |
| author_sort | Denise Patricia M. Granada, MD |
| collection | DOAJ |
| description | Objective: We determined if there was a significant change in the intraocular pressure (IOP) of healthcare workers with extended use of N95 masks.
Methods: This was a prospective time-series study involving 58 eyes of 29 healthcare workers who were assigned to 3 groups: surgical mask (control) and 2 intervention arms consisting of valved N95 (8511, 3M, USA) and non-valved N95 (8210, 3M, USA) masks. Each participant underwent IOP measurements of both eyes by Goldmann applanation tonometry at baseline, 5 minutes, 1 and 4 hours of mask use on three separate days. The primary outcome was the difference in IOP between the N95 and surgical mask groups.
Results: Mean baseline IOP of the cohort was 13.85 ± 1.11 mmHg with no significant difference among the groups. Compared to surgical mask use, mean IOP was increased at the 1 hour and 4 hour time points with valved N95 use (+0.88, p<0.001; +1.48, p<0.001 respectively) and increased at the 5 minute, 1 hour and 4 hour time points with nonvalved N95 use (+0.52, p=0.01; +1.07 p<0.001; +1.62, p<0.001, respectively).
Conclusion: There was a statistically significant increase in IOPs with prolonged N95 mask use. However, the levels of IOP increase were less than 2 mmHg and may be not clinically significant. |
| format | Article |
| id | doaj-art-7d1e0108fb8b4e4aa08e7e6160097326 |
| institution | DOAJ |
| issn | 0031-7659 |
| language | English |
| publishDate | 2022-12-01 |
| publisher | Philippine Academy of Ophthalmology |
| record_format | Article |
| series | Philippine Journal of Ophthalmology |
| spelling | doaj-art-7d1e0108fb8b4e4aa08e7e61600973262025-08-20T02:57:18ZengPhilippine Academy of OphthalmologyPhilippine Journal of Ophthalmology0031-76592022-12-01472879152The Effect of Wearing N95 Respirator Masks on Intraocular Pressure of Health Care WorkersDenise Patricia M. Granada, MD0Paolo S. Silva, MD1Rainier Victor A. Covar, MD, MMed2The Medical City – Eye and Vision Institute, Pasig City, PhilippinesThe Medical City – Eye and Vision Institute, Pasig City, PhilippinesThe Medical City – Eye and Vision Institute, Pasig City, PhilippinesObjective: We determined if there was a significant change in the intraocular pressure (IOP) of healthcare workers with extended use of N95 masks. Methods: This was a prospective time-series study involving 58 eyes of 29 healthcare workers who were assigned to 3 groups: surgical mask (control) and 2 intervention arms consisting of valved N95 (8511, 3M, USA) and non-valved N95 (8210, 3M, USA) masks. Each participant underwent IOP measurements of both eyes by Goldmann applanation tonometry at baseline, 5 minutes, 1 and 4 hours of mask use on three separate days. The primary outcome was the difference in IOP between the N95 and surgical mask groups. Results: Mean baseline IOP of the cohort was 13.85 ± 1.11 mmHg with no significant difference among the groups. Compared to surgical mask use, mean IOP was increased at the 1 hour and 4 hour time points with valved N95 use (+0.88, p<0.001; +1.48, p<0.001 respectively) and increased at the 5 minute, 1 hour and 4 hour time points with nonvalved N95 use (+0.52, p=0.01; +1.07 p<0.001; +1.62, p<0.001, respectively). Conclusion: There was a statistically significant increase in IOPs with prolonged N95 mask use. However, the levels of IOP increase were less than 2 mmHg and may be not clinically significant.https://paojournal.com/index.php/pjo/article/view/52goldmann applanationintraocular pressuren95 maskglaucomasurgical maskbreathing resistance |
| spellingShingle | Denise Patricia M. Granada, MD Paolo S. Silva, MD Rainier Victor A. Covar, MD, MMed The Effect of Wearing N95 Respirator Masks on Intraocular Pressure of Health Care Workers Philippine Journal of Ophthalmology goldmann applanation intraocular pressure n95 mask glaucoma surgical mask breathing resistance |
| title | The Effect of Wearing N95 Respirator Masks on Intraocular Pressure of Health Care Workers |
| title_full | The Effect of Wearing N95 Respirator Masks on Intraocular Pressure of Health Care Workers |
| title_fullStr | The Effect of Wearing N95 Respirator Masks on Intraocular Pressure of Health Care Workers |
| title_full_unstemmed | The Effect of Wearing N95 Respirator Masks on Intraocular Pressure of Health Care Workers |
| title_short | The Effect of Wearing N95 Respirator Masks on Intraocular Pressure of Health Care Workers |
| title_sort | effect of wearing n95 respirator masks on intraocular pressure of health care workers |
| topic | goldmann applanation intraocular pressure n95 mask glaucoma surgical mask breathing resistance |
| url | https://paojournal.com/index.php/pjo/article/view/52 |
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