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Background: Wearing face masks has been an essential part of healthcare workers’ lives since the coronavirus disease 2019 (COVID-19) pandemic. This study aims to determine the association between prolonged face mask-wearing and dry eye disorder (DED) among female nurses. Methods: An online questionnaire-based cross-sectional study was conducted at King Abdulaziz University Hospital, Jeddah, Saudi Arabia, between May 2021 and February 2022. It covered sociodemographic data, conditions associated with ocular irritation, and questions related to mask-wearing duration. The Ocular Surface Disease Index (OSDI) survey was used to measure DED severity. Binary logistic regression analysis was done and Odd’s ratios (OR) with 95% confidence intervals (CI) were reported. Results: A total of 266 female nurses responded to this study. The majority of the sample (71.1%) fell in the normal-mild DED category (OSDI 0-22), while (28.9%) were categorized as the moderate-severe DED category (OSDI >22). We found a significant independent association of dry eye disorder with wearing a mask for >6 hours/day (OR 2.066, 95% CI: 1.083-3.944). Other significant predictors of DED in this study were wearing corrective eyeglasses (OR 2.382, 95% CI: 1.296-4.376) and having rheumatoid arthritis (OR 17.289, 95% CI: 1.794-166.7). Conclusion: Wearing a face mask for > 6 hours/day was significantly associated with moderate to severe DED among female nursing staff. Ophthalmologists should be aware of this adverse effect in order to promote ways to relieve this condition.

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FIG. 1. A. A right HFS demonstrated by involuntary twitching of the muscles supplied by the CN VII, manifesting as eyelid spasm and lower face twitching and (B) the same patient after the resolution of the contractions.