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Dry eye syndrome (DES) is a tear film disorder caused by increased tear evaporation or decreased production. The heavy workload on the eye and the increased usage of digital screens may decrease blink frequency, leading to an increased evaporation rate and an upsurge in the incidence and severity of DES. This study aims to assess the severity of DES symptoms and the risk factors among university students. A cross-sectional study was conducted at Umm AlQura University to evaluate the severity of DES among students and explore its potential association with digital screen use. Validated questionnaires were used to assess the severity of DES and digital screen usage. The study included 457 participants, of which 13% had symptoms suggestive of severe DES. Furthermore, multiple risk factors had a significant association with the severity of DES, including gender, use of monitor filters, monitor and room brightness, and smoking habits. DES symptoms were prevalent among university students, particularly female students. Although there was no significant association with the duration of screen usage and collage distribution. Other factors however, such as the usage of screen monitors and the brightness of both the monitor and the room, were significantly associated with the severity of DES symptoms. [ABSTRACT FROM AUTHOR]

aimi,5 Yahya Al-Najmi61Ophthalmology Department, King Faisal Medical Complex, Taif, Saudi Arabia; 2Ophthalmology Department, Alhada Military Hospital, Taif, Saudi Arabia; 3Ophthalmology Department, Jeddah Eye Hospital, Jeddah, Saudi Arabia; 4Ophthalmology Department, Asir Central hospital, Abha, Saudi Arabia; 5Ophthalmology Department, College of Medicine, Majmaah University, Majmaah, Saudi Arabia; 6Ophthalmology Department, Saggaf Eye Center, Jeddah, Saudi ArabiaCorrespondence: Yahya Al-Najmi, Ophthalmology Department, Saggaf Eye Center, Abdullah Salman St., Al Faiha'a Dist., P.O. Box: 31903, Jeddah, 21418, Saudi Arabia, Tel +966 564844281, Email [email protected] Purpose: To estimate the prevalence and determinants of Ocular Surface Disease Index (OSDI) score based dry eye disease (DED) among the adult urban population of four cities located at high altitudes in Southwest Saudi Arabia.Methods: This cross-sectional survey was held in 2023. OSDI questionnaire was used to collect the responses of the adult participants. The score was further graded into none, mild, moderate, and severe DED to estimate age-sex-adjusted DED prevalence. The OSDI score was correlated to demographic (age group, gender, education, occupation, city) and risk factors like smoking and co-morbidities.Results: Of the 401 adults, 388 (response rate of 97.8%) participated. The age-sex-adjusted prevalence of mild, moderate, and severe DED was 21.7%, 13.1%, and 32%, respectively. The median ODSI score was 22.9 [Interquartile range (IQR) 10.4; 47.9)]. The score was significantly higher in females (Mann–Whitney U-test P = 0.038), residents of Taif city (KW P = 0.05), those with primary/middle school education (Kruskal–Wallis P = 0.004), comorbidities like hypertension, asthma (KW P < 0.001) and risk factors like past refractive surgeries, arthritis (KW P = 0.013). Education status (P < 0.001) [B = − 9.0 95%] and presence of comorbidity (P = 0.022), [B = − 0.823] were significant predictors of DED.Conclusion: The prevalence of DED and severe grade was high. The level of education and presence of comorbidities significantly influenced DED in the adult urban Saudi population of cities at high altitudes. [ABSTRACT FROM AUTHOR]

Background: Environmental and epidemiological factors increase the risk of dry eye in Saudi Arabia, but most studies have limited generalizability. Objective: To determine the prevalence of dry eye disease (DED) among adults across Saudi Arabia and the associated risk factors. The secondary objective was to estimate the economic burden of DED by calculating lubricant usage and its annual costs. Methods: This cross-sectional study invited adults from across Saudi Arabia to complete a questionnaire that collected data regarding demographics, symptoms related to DED, previous diagnosis of DED, use of contact lenses, and use of eye lubricants. Results: A total of 2042 responses were received, of which 784 (38.4%) respondents had previously been diagnosed with DED and 752 (36.8%) were symptomatic but undiagnosed. Between the DED diagnosed and symptomatic-undiagnosed groups, a significant difference was found in terms of age (P < 0.001), gender (P = 0.002), presence of diabetes mellitus (P = 0.004), smoking status (P = 0.007), duration of electronic screen use (P = 0.05), number of ocular complaints (P < 0.001), and frequency of lubricants use (P < 0.001). Between the DED-diagnosed and non-DED groups, significant differences were found in terms of age (P < 0.001), gender (P < 0.001), presence of diabetes mellitus (P = 0.001), allergy (P = 0.001), autoimmune disease (P = 0.005), smoking status (P < 0.001), and history of refractive surgery (P < 0.001). The mean estimated annual cost of using lubricating agents was SAR 328.2 ± 210.3 (USD 87.5 ± 56.1), and this was significantly higher in the diagnosed group (P = 0.01) than the symptomatic-undiagnosed group. Conclusions: The prevalence of DED is high among adults in Saudi Arabia. High-risk population include elderly, female, and using electronic screens for >2 hours/day. [ABSTRACT FROM AUTHOR]

Purpose: To assess the impact of dry eye disease (DED) on work productivity in Saudi Arabia and investigate its effect on daily activities. Patients and Methods: We conducted a cross-sectional study on male and female Saudi workers age 20 years or older. The data were collected via self-administered questionnaires distributed electronically through social media. We used the Ocular Surface Disease Index questionnaire to diagnose DED patients and assess their DED severity as mild, moderate, and severe. Results: A total of 463 respondents qualified for the study. All patients in the DED groups reported a loss of work productivity. Most patients in the severe DED group (59%) reported difficulty focusing on work due to DED, whereas 17.1% of patients with mild DED and 22.7% with moderate DED reported the same. These findings indicate significantly worsening productivity as DED progresses in severity (p< 0.05). Participants with severe DED reported significantly more affected work hours weekly (35.8%) than participants with moderate (6.1%) and mild DED (7.1%). Conclusion: DED has a significant impact on work productivity, with the most pronounced effect among office workers. It is essential to screen office workers for DED and enhance the awareness of its effect on work productivity among the workforce and healthcare providers. [ABSTRACT FROM AUTHOR]