Prevalence of Ocular Trauma and Barriers to Use of Personal Protective Devices Among Welders in Hetauda, Nepal: A Cross-Sectional Study

Abstract

Welding poses significant ocular hazards in Nepal’s industrial settings; however, data on trauma prevalence and protective barriers remain limited. This cross-sectional study conducted in 2024 assessed the burden of ocular trauma, personal protective equipment (PPE) practices, and associated risk factors among 111 welders in Hetauda, Nepal. Comprehensive eye examinations and structured interviews revealed a high ocular trauma prevalence of 62.16%, primarily caused by metal chips (60.87%) and flames (37.84%). Although 78.39% of welders reported using PPE, 72.97% relied on non-certified sunglasses, and only 1.80% used certified protective goggles. Key barriers to appropriate PPE use included the absence of workplace mandates (62.50%) and a belief that protection was unnecessary (64.52%). Significant risk factors for trauma included male gender, lack of safety training (43.48%), and age between 46 and 60 years. Common ocular morbidities were corneal opacity (20.72%) and conjunctival congestion (10.36%), with only 8.11% of welders using prescription safety eyewear. Despite reported PPE usage, the continued high rate of ocular trauma highlights deficiencies in equipment quality and training. Mandating certified eye protection (e.g., shade-10 filters), enforcing workplace safety policies, and integrating occupational health education are critical steps for preventing eye injuries in Nepal’s industrial sector.

Competing Interest Statement

The authors have declared no competing interest.

Funding Statement

This study was funded by Everest Parenterals, Nepal (https://everest-hcg.com/). Author ST (Sunil Thakali) received this funding. The funder had no role in study design,data collection and analysis, decision to publish, or preparation of the manuscript.

Author Declarations

I confirm all relevant ethical guidelines have been followed, and any necessary IRB and/or ethics committee approvals have been obtained.

Yes

The details of the IRB/oversight body that provided approval or exemption for the research described are given below:

Ethical approval was obtained from the Institutional Review Committee (IRC) of Tilganga Institute of Ophthalmology (Ref. No. 07/2024) on April 22, 2024. All participants were informed about the study, and informed consent was obtained. The study adhered to the principles of the Declaration of Helsinki.

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I understand that all clinical trials and any other prospective interventional studies must be registered with an ICMJE-approved registry, such as ClinicalTrials.gov. I confirm that any such study reported in the manuscript has been registered and the trial registration ID is provided (note: if posting a prospective study registered retrospectively, please provide a statement in the trial ID field explaining why the study was not registered in advance).

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I have followed all appropriate research reporting guidelines, such as any relevant EQUATOR Network research reporting checklist(s) and other pertinent material, if applicable.

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Data Availability

All relevant data are within the manuscript and its Supporting Information files.

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