19 articles Health

Learn how light is used in health and medical applications, as well as how different qualities of light can affect your health and well-being.

Lighting Strategies for the Aging Eye

close up of eye

As we age, our visual acuity naturally deteriorates. This process starts around age 40. After that, normal changes to the aging eye become increasingly noticeable and potentially life changing. By the time people reach their sixties, seventies, eighties or older, their vision challenges may cause both difficulty in performing basic daily tasks such as reading…

Ultraviolet Light Provides Effective Defense Against Airborne Microbes

sun behind clouds with bird flying

The germicidal portion of the ultraviolet spectrum provides an extremely powerful method of addressing sanitation issues for both water and air environments. We have already addressed UV water applications in another blog post. In this post we will look at both commercial / industrial and residential applications for using ultraviolet germicidal irradiation (UVGI) to disinfect…

Therapeutic Lighting Recognized As Important Factor In Health Care

Outside of a long term care facility

The idea that light can have a biological effect on humans first appeared with research on Seasonal Affective Disorder (SAD). People living in northern parts of the U.S., where hours of daylight are significantly reduced in winter months,  reported tired, depression-like symptoms. When sufferers of SAD made an effort to get least 20 minutes a day of…

What to Know About Mercury in Light Bulbs

Mercury is highly toxic to humans and wildlife. Fluorescent tubes, compact fluorescent, germicidal, blacklight, metal halide and other HID light bulbs all contain mercury compounds. Incandescent, halogen and LED bulbs do not contain mercury. Extreme care should be taken in both the handling of broken light bulbs and the disposal of burned out bulbs that…

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