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Prevalence and associated risk factors for dry eye disease among Brazilian undergraduate students

2021; Public Library of Science; Volume: 16; Issue: 11 Linguagem: Inglês

10.1371/journal.pone.0259399

1932-6203

Isabela Yang, Tais Hitomi Wakamatsu, Isabella Batistela Inhesta Sacho, José Henrique Fazzi, Asafe César de Aquino, Gabriel Ayub, Pedro Albuquerque Rebello, José Álvaro Pereira Gomes, Mônica Alves,

Contact Dermatitis and Allergies

Purpose Dry eye is a common, complex, and multifactorial disease of the ocular surface and tear film that results in discomfort and visual disturbances. Prevalence rates vary and largely rely on studies involving older populations. This study sought to evaluate dry eye among a sample of young students in Brazil. Methods Cross-sectional survey included 2,140 students using 2 self-applicable questionnaires of dry eye symptoms: the Ocular Surface Disease Index (OSDI) and the Women’s Health Study (WHS) questionnaire and a list of risk factors associated with dry eye. Participants with dry eye symptoms underwent a clinical evaluation. Results Participants were 23.4±5.2 years of age, 56.1% female and 43.9% male, 34.4% had an OSDI score greater than 22, and 23.5% had dry eye according to the WHS. Dry eye frequency differed consistently between the sexes: 42.6% women and 24.0% men based on the OSDI, and 27.1% women and 18.5% men based on the WHS. Univariate and multivariate analyses demonstrated that female sex, contact lens wear, the screen use for more than 6 hours per day, less than 6 hours of sleep a night, and certain medications were relevant related risk factors for dry eye. Despite symptoms, clinical evaluations demonstrated mild signs of dry eye. Conclusions Dry eye symptoms were found to be a prevalent condition among Brazilian undergraduate students. Compared to the rates of dry eye among the general Brazilian population over 40 years of age, students present at higher dry eye symptoms rates and distinct odds for related risk factors were identified.