| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥130,000 (Direct Cost: ¥100,000、Indirect Cost: ¥30,000)
Fiscal Year 2018: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2017: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
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| Outline of Final Research Achievements |
To prevent fall accidents, elderly people evaluated light in bright and dark rooms for this study. Relations among light characteristics, daily health and consciousness, the vertical distribution of gazing points, and pupil responsivity to rapid light changes were measured. Results show these points: 1) Elderly people, who showed better responsivity to brightness than young people, judged bright environments as darker and dark environments as brighter than young people did. 2) People with concentrative type gazing points liked uniformly lit environments less, felt less comfort in dark environments, and felt less glare in bright environments. 3) Elderly people with high pupil responsivity reported glare-sensitivity and eye fatigue, with worse visibility in dark environments. For elderly people, who felt more glare, less comfort, with less preference for and more performance in light environments, pupil responsivity was higher, but it was unrelated to brightness.
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