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HOW MUCH MORE ILLUMINANCE IS NEEDED FOR OLDER PEOPLE THAN YOUNG PEOPLE TO PERFORM PHOTOPIC TASKS?

机译：老年人比年轻人能执行光敏任务需要多多少照度？

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How much more illuminance is needed for older people than young people to compensate for the reductions in retinal illuminance? To address this question, we took age-related changes in pupil diameter and crystalline lens transmittance into account and selected recommended task illuminances for older people. In order to estimate age-related reductions in retinal illuminance, we estimated spectral transmittance of crystalline lens and pupil size by using the Two-Factor model (Pokorny et al., 1987), the five-template model (van de Kraats and van Norren 2007) and the unified formula (Watson and Yellott, 2012) respectively. The results of the analyses suggested that a 1.5 times higher task illuminance is needed for people at an age of 70 years old than people at an age of 22 years old to equate their retinal illuminances for normal visual tasks.

机译：老年人比年轻人需要更多的照度来弥补视网膜照度的减少？为了解决这个问题，我们考虑了与瞳孔直径和晶体透镜透射率的年龄相关的变化，并为老年人选择了推荐的任务照明。为了估计视网膜照度的年龄相关的减少，我们使用双因子模型（Pokorny等，1987），五模板模型（Pokorny等，1987）估计了晶体透镜和瞳孔尺寸的光谱透射率（Van de Kraats和Van Norren 2007年）和统一公式（Watson和Yellott，2012）。分析结果表明，比22岁的人年龄在70岁的人中，人们需要比17岁的人更高的任务照度，以等同于正常视觉任务的视网膜照明。

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《CIE Session》|2015年|various paging|共7页
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作者
Yamamoto K.; Akashi Y.;
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正文语种
中图分类光学;
关键词
aging; vision; pupil; crystalline lens; retinal illuminance; interior lighting; guideline;

机译：老化;视觉;瞳孔;晶体透镜;视网膜照度;室内照明;指导;

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HOW MUCH MORE ILLUMINANCE IS NEEDED FOR OLDER PEOPLE THAN YOUNG PEOPLE TO PERFORM PHOTOPIC TASKS?

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