Технические науки в целом

Список источников > Нехудожественная литература > Научная и техническая литература > Техника. Технические науки > Технические науки в целом

Lighting for the elderly

Автор: Jesse Russell
Год: 2013
Издание: Книга по Требованию
Страниц: 135
ISBN: 9785514432684
High Quality Content by WIKIPEDIA articles! Designing lighting for the elderly requires special consideration and care from architects and lighting designers. As people age, they experience neural degeneration in the retina and in the suprachiasmatic nucleus (SCN). Less light reaches the back of the eyes because the pupils decrease in size as you age, the lens inside your eye becomes thicker, and the lens scatters more light, causing objects and colors to appear less vivid. These symptoms are particularly common with persons having alzheimer’s disease. Older people also have reduced levels of retinal illuminance, such as having smaller pupils and less transparent crystalline lenses. Furthermore, as an individual ages, he or she begins to lose retinal neurons, which not only compromises the ability to see but also to register a robust daily pattern of light-dark that is needed to maintain biological rhythms. The 24-hour light-dark cycle is the most important external stimulus for...
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