The results of this study suggest that routine medical testing before cataract surgery does not reduce the rate of complications during the perioperative period. The results also suggest it would be more efficient not to request routine preoperative tests unless indicated by patient history or physical examination.

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To evaluate dry eye prevalence and investigate associated risk factors in Brazil by applying a short questionnaire of symptoms and risk factors. A cross-sectional study of 3,107 participants from all the five different geopolitical regions of Brazil. Overall prevalence of dry eye in this study population was 12.8%. Dry eye previous diagnosis was reported by 10.2% and presence of severe symptoms in 4.9%. Logistic regression analysis confirmed some significantly risk factors, such as female sex (Odds Ratio (OR) 1.74; 95% Confidence Interval (CI): 1.12–1.93), age ≥60 year-old (OR 2.00; 95%CI: 1.44–2.77), history of ocular surgery (OR 1.84; 95%CI: 1.30–2.60), contact lens wear (OR 1.93; 95%CI: 1.36–2.73), cancer treatment (OR 3.03; 95%CI: 1.36–6.59), computer use >6 hours per day (OR 1.77; 95%CI: 1.36–2.31), antidepressants (OR 1.61; 95%CI: 1.12–2.31) and anti-allergy (OR 2.11; 95%CI: 1.54–2.89) medications. Nevertheless, when stratified by regions, each one had its own significant factors and inherent characteristics. This is the first study about prevalence and risk factors of dry eye in a large population sample from all regions of Brazil. Dry eye is a common condition in the Brazilian population and prevalence rates varies substantially in the different geographic regions of the country, possibly reflecting climate and socioeconomic discrepancies.

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Aim To evaluate the epidemiological characteristics of retinal detachment in a defined urban population in the Southeast of Brazil. Methods A retrospective study of patients consulted at