Posterior Ocular Trauma
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Ocular injury is an important cause of visual impairment on working-age individuals and is the leading cause of hospitalization of ophthalmologic patients (Négrel and Thylefors 1998). Ocular trauma is divided into open-globe injuries and closed-globe injuries. On both types, the posterior segment may be injured, and even with no direct eye injury, some posterior changes could be trauma-related—i.e., electrical burns, Purtscher retinopathy, and Valsalva retinopathy.