PDF(Pubmed)
Abstract：
Only a few recent studies report direct assessment or monitoring of light levels in the indoor learning environment, and no consensus exists on minimum exposures for children\'s health. For instance, myopia is a common progressive condition, with genetic and environmental risk factors. Reduced daylight exposure, electric lighting changes, increased near-work for school children, greater academic focus, and use of display screens and white boards may have important detrimental influences. Published assessment methods had varied limitations, such as incomplete compliance from participants wearing light loggers for extended periods. Climate-Based Daylight Modelling is encouraged in UK school design, but design approaches are impractical for post-occupancy assessments of pre-existing classrooms or ad hoc modifications. In this study, we investigated the potential for direct assessment and monitoring of classroom daylight and lighting measurements. Combined with objective assessments of outdoor exposures and class time use, the classroom data could inform design and light exposure interventions to reduce the various health impacts of inadequate daylight exposure. The relevant environmental measure for myopia depends on the hypothesized mechanism, so the illuminance, spectral distribution, and temporal light modulation from the electric lighting was also assessed.
摘要：
最近只有少数研究报告直接评估或监测室内学习环境中的光线水平，在儿童健康的最低暴露方面没有达成共识。例如,近视是一种常见的进行性疾病，遗传和环境风险因素。减少日光暴露,电气照明的变化，为学童增加附近的工作，更大的学术焦点，显示屏和白板的使用可能具有重要的有害影响。公布的评估方法有不同的局限性，例如长时间佩戴轻型记录仪的参与者不完全遵守。英国学校设计鼓励基于气候的日光建模，但是设计方法对于先前存在的教室或临时修改的占用后评估是不切实际的。在这项研究中,我们调查了直接评估和监测教室日光和照明测量的潜力。结合对户外暴露和上课时间使用的客观评估，课堂数据可以为设计和光照干预提供信息，以减少日光照射不足对健康的各种影响。近视的相关环境措施取决于假设的机制，所以照度，光谱分布，和来自电照明的时间光调制也被评估。
