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Updated: Jan 7, 2026

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Characterization of Molecular Mechanisms of In vivo UVR Induced Cataract
Published on: November 28, 2012
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[One case of cataract caused by occupational trinitrotoluene]
1Department of Occupational Diseases, Peking University Third Hospital, Occupational Health Inspection Quality Control and Improvement Center, Beijing 100191, China.
Summary
Occupational exposure to trinitrotoluene (TNT) can cause cataracts, leading to vision problems. Early diagnosis and protective measures are crucial for workers handling TNT to prevent lens damage.
Area of Science:
- Ophthalmology
- Occupational Medicine
- Toxicology
Background:
- Occupational exposure to trinitrotoluene (TNT) is a known risk factor for ocular health.
- Cataracts are a potential consequence of prolonged exposure to certain industrial chemicals.
- Understanding the clinical presentation and diagnostic criteria is essential for managing occupational eye diseases.
Purpose of the Study:
- To analyze a case of occupational trinitrotoluene cataract.
- To summarize the patient's occupational history, clinical signs, and ophthalmic findings.
- To provide a reference for diagnosing, preventing, and treating trinitrotoluene-induced cataracts.
Main Methods:
- Case study analysis of a patient with suspected occupational trinitrotoluene cataract.
- Review of the patient's occupational history and duration of exposure.
- Ophthalmic examinations including vision assessment and other relevant tests.
- Diagnosis based on established criteria (GBZ 45-2010).
Main Results:
- The patient exhibited symptoms of blurred vision and photophobia after long-term TNT exposure.
- The patient was diagnosed with stage one occupational trinitrotoluene cataract.
- The findings highlight the link between TNT exposure and lens damage.
Conclusions:
- Occupational trinitrotoluene exposure can lead to significant lens damage and cataract formation.
- Prompt diagnosis and intervention are necessary for affected workers.
- Enhanced protective measures during occupational activities involving TNT are vital to prevent visual impairment.
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