Primary prevention in the workplace depends on certain appropriately implemented administrative and engineering controls. For instance, properly functioning fume capture hoods can prevent excessive exposure to lead. Unfortunately, this method of primary prevention may not always work. In that case, medical screening functions as a valuable tool for secondary prevention in the work place. Screening is considered to be highly effective, for it can detect dysfunction or disease, before any form of medical care needs to be sought out. Generally, medical screening tests are administered to asymptomatic workers or employees, who are at risk of certain diseases. The fundamental focus of medical screening is to diagnose and treat affected workers, as early as possible. Hence, we can say that screening has a clinical focus. Other than its clinical intentions, screening can also help evaluate the efficiency of the personal protective measures and even identify any new instances of occupational i...
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