LUX Pronunciation: (luks), —n., —pl. luces Pronunciation: (lOO'sEz).
A unit of illumination, equivalent to 0.0929 foot-candle and equal to the illumination produced by luminous flux of one lumen falling perpendicularly on a surface one meter square. Symbol: LX. Also called meter-candle.
Basically, it's a unit of light measurement. Higher the number, brighter the light source.
The 10,000 lux measurement is important in light therapy to judge the effectiveness of any particular light box or lamp. Since the 1970’s, studies have shown that light therapy is effective when a person is within a 10,000 lux brightness range of light for twenty to thirty minutes. Our light box has a 10,000 lux range at 24 inches. This is important to consider when shopping around. Many lamps boast of 10,000 lux light, but fail to mention at what distance this is from the light unit. For example, a light that has a 10,000 lux range of twelve inches means that either you would need to sit within a foot from the light for ½ hour, or at a more comfortable two feet you would need to spend one hour to get the same therapeutic effect. You will need to consider what works best for your lifestyle when making your decision.
Light therapy boxes built with some UL-listed parts are not the same as those in which the whole light box has been UL-tested and listed. If a company says it uses UL approved parts, this means the whole light box was not tested. For safety sake, verify this before you buy. It's also against the law to sell electrical appliances that are not UL-listed.
At Alaska Northern Lights, we base our light therapy and light box information on a variety of accepted scientific studies and not on the opinions of a few individuals. Research has shown that in light therapy, the light's intensity is the key, not UV rays. UV rays are considered a liability and a health problem with the eyes and skin. Our light box produces no UV-A or UV-C rays and no measurable amount of UV-B. We block any remaining UV rays with our UV diffuser screen.
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"My house receives very little natural light due to poor window placement. This causes many problems for me because I suffer from seasonal depression and bipolar disorder. When the seasons start to change and the daylight hours become shorter, I know that a dark depression that will last til spring is on its way. I dread it each year.
This past year I discussed treatment options with my doctor and she recommended I look in to getting a light box. I did an extensive amount of research by reading many websites and online boards for people who suffer from the same problems I do.
Over and over again I found the company recommended most was Alaska Northern Lights because they had the best quality, best reputation and best customer satisfaction. I love my light box and feel I have gained a new life during the winter months. I don't have to suffer any longer.
I am so very thankful for my light box from Alaska Northern Lights. It is one of the best investments for my health I have ever made."