Abstract：Objective To study the epidemiological features and prognostic influencing factors of mechanical ocular trauma (MOT) so as to provide a basis for guiding MOT prevention and treatment. Methods A retrospective study was performed among 1,587 MOT patients hospitalized in Department of Ophthalmology, Renmin Hospital of Wuhan University from January 2017 to December 2019. The general condition, visit time, causes of ocular trauma, nature of ocular trauma, types of injuries, injury environment, visual acuity on admission, performing or not to performing surgery, and having or having no complications in these patients were analyzed by univariate analysis, and then the positive factors were further analyzed using multivariate logistic regression model. Results Among the 1,587 patients with MOT (including 1,622 eyes),the majority werethe middle-aged and elderly men, and those aged between 40 and 60 years accounted for 43.54%. The occupation was dominated by farmers, accounting for 33.33%. Closed ocular trauma was the most common one, accounting for 54.81%. The main type of trauma was blunt contusion, accounting for 38.38% and blunt force injury was the most common cause, accounting for 41.46%. Most patients got injured in public places, accounting for 30.06%. The most common complications were traumatic cataract and vitreous hemorrhage, accounting for 31.32% and 27.00%, respectively. After the treatment of 1,558 eyes, visual acuity was improved in 689 eyes, but not improved in 869 eyes. Multivariate logistic stepwise regression analysis revealed that age (OR=1.200, 95%CI:1.064-1.354), visit time (OR=4.987, 95%CI:3.833-6.488), nature of ocular trauma (OR=0.154, 95%CI:0.096-0.246), types of trauma (OR=1.590, 95%CI:1.420-1.779) and visual acuity on admission (OR=1.145, 95%CI:0.938-1.398) were independent factors influencing visual prognosis. Conclusion The main factors affecting the prognosis of visual acuity in the MOT patients are age, visit time, nature of ocular trauma, types of trauma and visual acuity on admission. Prevention should begiven priority to ocular trauma, and early treatment can minimize ocular trauma.
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