This study leads to the conclusion, that the introduction of EDH-systems can result in increased risks of work-related musculoskeletal disorders, (especially "mouse-arm syndrome"), eyestrain and stress-related mental and somatic symptoms.
The effectiveness of work can improve in the short run, but in order not to risk the health of the users an ergonomic strategy for the design of work organization, computer systems, job tasks and work-stations is essential.
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