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Thursday, 7th September 2006

The Impact of Light on Outcomes in Healthcare Settings

The Impact of Light on Outcomes in Healthcare Settings
Source: The Center for Health Design

Light impacts human health and performance by enabling performance of visual tasks, controlling the body’s circadian system, affecting mood and perception, and by enabling critical chemical reactions in the body. Studies show that higher light levels are linked with better performance of complex visual tasks and light requirements increase with age.

By controlling the body’s circadian system, light impacts outcomes in healthcare settings by reducing depression among patients, decreasing length of stay in hospitals, improving sleep and circadian rhythm, lessening agitation among dementia patients, easing pain, and improving adjustment to night-shift work among staff.

Full Document (PDF; 273 KB)



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