Factors associated with ocular injury among patients admitted with head injury at Mulago National Referral Hospital a tertiary hospital in Uganda
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Background
Given the close anatomical proximity of the eye and its adnexae to the cranium, ocular injury frequently coexists with head trauma. However, specific factors predisposing patients with head injury to ocular involvement in Uganda remain poorly defined.
Objective
This study aimed to determine the factors associated with ocular injury among patients with head injury at Mulago National Referral Hospital (MNRH), a tertiary referral facility in Kampala, Uganda.
Methods
We conducted a cross-sectional study among 383 adult patients admitted with head injury to the Accidents and Emergency Department of MNRH from 15/05/2025 to 30/07/2025. All participants underwent a standardized ophthalmic evaluation. Bivariable and multivariable Poisson regression analyses were used to identify factors associated with ocular injury, reported as adjusted prevalence ratios (APR).
Results
Ocular injury was identified in 268 of 383 patients (70.0%; 95% CI: 65.1-74.5). On multivariable analysis, age 26-44 years (APR 1.18; 95% CI: 1.11-1.43; p=0.013), commercial motorcyclist (boda-boda rider) occupation (APR 1.25; 95% CI: 1.06-1.47; p=0.007), road traffic accident mechanism of injury (APR 1.19; 95% CI: 1.02-1.38; p=0.03), severe head injury (APR 1.70; 95% CI: 1.44-2.01; p<0.0001), and the presence of facial fractures (APR 1.61; 95% CI : 1.44-1.81; p<0.0001) significantly increased the likelihood of ocular injury. Conversely, intracranial hemorrhagic lesions were inversely associated with ocular injury (APR 0.80; 95% CI: 0.68-0.93; p=0.004).
Conclusion
Ocular injuries are common among patients with head injury. Patients aged 26 to 44 years, commercial motorcyclist occupation, road traffic injury, severe head injury, and facial fractures have a higher risk of ocular injury. We recommend prioritizing ophthalmic evaluation of for patients admitted with head injury to minimize preventable visual impairment.
