Abstract
BackgroundThe burden and pattern of ocular trauma in China are poorly known and not well studied. We aimed at studying the epidemiological characteristics of patients hospitalized for ocular trauma at major ophthalmology departments in the largest industrial base of plastic toys in China.MethodsA retrospective study of ocular trauma cases admitted to 3 tertiary hospitals in China from 1st January 2001 to 31st December 2010 was performed.ResultsThe study included a total of 3,644 injured eyes from 3,559 patients over the 10-year period: 2,008 (55.1%) open-globe injuries, 1,580 (43.4%) closed-globe injuries, 41 (1.1%) chemical injuries, 15 (0.4%) thermal injuries and 678 (18.6%) ocular adnexal injuries. The mean age of the patients was 29.0±16.8 years with a male-to-female ratio of 5.2∶1 (P = 0.007). The most frequent types of injury were work-related injuries (1,656, 46.5%) and home-related injuries (715, 20.1%). The majority of injuries in males (56.2%) and females (36.0%) occurred in the 15–44 age group and 0–14 age group, respectively. The final visual acuity correlated with the initial visual acuity (Spearman’s correlation coefficient = 0.659; P<0.001). The Ocular Trauma Score also correlated with the final visual acuity (Spearman’s correlation coefficient = 0.655; P<0.001).ConclusionsThis analysis provides an epidemiological study of patients who were hospitalized for ocular trauma. Preventive efforts are important for both work-related and home-related eye injuries.
Highlights
Ocular trauma is a common cause of unilateral blindness [1] and is associated with significant emotional stress as well as numerous emergency room [2] and outpatient visits [3]
Completed records from 3559 patients were classified by the standardized international classification of ocular trauma (Birmingham Eye Trauma Terminology, BETT) [32,33]
We classified the data into six groups based on the place where eye injuries occurred: work-related injuries, home-related injuries, school-related injuries, sport-related injuries, road trafficrelated injuries, violence-related injuries, and other various outdoor activity-related injuries that cannot be classified into the former categories
Summary
Ocular trauma is a common cause of unilateral blindness [1] and is associated with significant emotional stress as well as numerous emergency room [2] and outpatient visits [3]. 55 million eye injuries restricting activities more than one day occur each year; there are approximately 1.6 million blind people from injuries, an additional 2.3 million people with bilateral low vision from this cause [4]. More than 2.5 million eye injuries occur in the United States, and 50,000 people permanently lose part or all of their vision [5,6]. Despite the heterogeneity of the results, these studies provide important information regarding the burden of eye injuries. The burden and pattern of ocular trauma in China are poorly known and not well studied.
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