The Prevalence of Dry Eye Disease and Related Factors Among Adult Patients Attending Primary Healthcare Centers in Riyadh, Saudi Arabia.

Objective In this study, we aimed to determine the prevalence of dry eye disease (DED) and its related factors among adult patients in Riyadh, Saudi Arabia. Methodology We conducted a cross-sectional study based on a pre-designed, validated questionnaire (the McMonnies questionnaire) at primary healthcare centers in Riyadh in January-May 2019. Participants were classified into two groups: those with and without a diagnosis of DED. Factors related to the diagnosis were derived using univariate analysis. A backward stepwise logistic regression model was used to further explore predictors of DED and included all variables that were significant in the univariate analysis. Results A total of 276 patients participated in this study. About half (53.3%) were males, and 47.8% were aged 25-45 years. While more than two-thirds of the participants (70.3%) had some symptoms indicative of DED, only 42% were diagnosed with DED. A higher prevalence of DED was found in females. About half (47.5%) had been prescribed eye drops or other treatments for dry eyes. Univariate analysis showed a significant correlation between the incidence of DED and living in southern Riyadh (p=0.017). Additionally, all age groups were significantly associated with DED, and a higher prevalence was reported in those older than 45 years. Backward stepwise logistic regression revealed that using dry eye drops was among the most significant predictors of DED [odds ratio (OR): 339, 95% confidence interval (CI): 73.2-1577.3, p<0.001]. Conclusion Based on our findings, DED was more common among women and with advancing age. DED was associated with the presence of dry eye symptoms, arthritis, usage of dry eye drops, and living in southern Riyadh. There is a need to design and implement health awareness programs to prevent such medical issues among the population.