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首页> 外文期刊>International Journal of Industrial Ergonomics >Work with visual display units: Long-term health effects of high and downward line-of-sight in ordinary office environments
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Work with visual display units: Long-term health effects of high and downward line-of-sight in ordinary office environments

机译：使用视觉显示单元：在普通办公环境中，上下视线的长期健康影响

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This study investigated the long-term effects of vertical monitor placement in 150 ordinary offices workers. Random assignment was used in creating a high line-of-sight (HLS) group (n = 75) and a downward line-of-sight (DLS) (n = 75) group. The line-of-sight to the midpoint of the screen was 15° below horizontal for the HLS-group and 30° for the DLS-group. Measurements were taken at set-up and again 12 months later. Significant differences, favouring the DLS-group compared to HLS-group, were found for subjective symptoms, oculomotor capacity, and self-reported sick leave. The DLS-group exhibited flexion of both the neck and back about 5° more than the HLS-group. No differences were found for work-related diagnoses, traditional clinical measures, or electromyographic activity. The results correspond with previous laboratory findings and give additional empirical support from natural work environments to the beneficial effect of DLS in visual display unit (VDU) work.
机译：这项研究调查了垂直显示器在150名普通办公室工作人员中的长期影响。随机分配用于创建高视线（HLS）组（n = 75）和下视线（DLS）（n = 75）组。对于HLS组，到屏幕中点的视线比水平线低15°，对于DLS组，视线到屏幕的中线低30°。在设置时和12个月后再次进行测量。发现在主观症状，动眼能力和自我报告的病假方面，与DLS组相比，HLS组更倾向于DLS组。 DLS组的颈部和背部均比HLS组弯曲约5°。没有发现与工作有关的诊断，传统临床措施或肌电图活动方面的差异。结果与以前的实验室结果相符，并为自然显示环境中的DLS在视觉显示单元（VDU）工作中的有益效果提供了额外的经验支持。

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