Taping the upper mask edge tied to decrease in dry eye symptoms among N95 users: Study
New Delhi: In a new study conducted by researchers from AIIMS, New Delhi, it was found that taping the top mask edge improves ocular surface stability, which coincides with a reduction in dry eye symptoms. The findings of this study were published in the American Journal of Ophthalmology.
The goal of this prospective interventional before-and-after study was to determine how taping the upper mask edge influenced ocular surface stability, dry eye symptoms, and tear osmolarity in N95 mask users.
Fifty eyes from 50 healthcare professionals who commonly use N95 masks were included in the study. The subjects' pre-intervention, ocular surface characteristics, subjective dry eye score, and visual acuity were evaluated at the conclusion of an 8-hour shift while wearing an N95 face mask without taping the upper edge. The upper edge of the N95 mask was taped to the nasal bridge of all individuals at the start of the 8-hour shift the next day, and post-intervention evaluation was completed after the shift. The change in non-invasive tear break-up time was the primary outcome measure (NIBUT). Change in tear lipid layer thickness (LLT), symptom score, Schirmer I test, TBUT, tear meniscus height (TMH), osmolarity, and visual acuity were secondary outcome measures.
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