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Dr. Bill Elliott is an Assistant Clinical Professor of Medicine at UCSF, and informative author. In a recent article he wrote that appeared in Marinij.com http://www.marinij.com/health/20170709/put-down-your-iphone-and-go-to-sleep he cited some important facts: Researchers at UCSF published a study in November that tracked 650 adult volunteers who had an app on their cellphones that tracked screen time and cell phone usage at the hour of bedtime was associated with difficulty falling asleep. New evidence even suggests that communities that are most illuminated at night (using satellite imagery) have the highest levels of obesity. Researchers are examining potential linkage between chronic exposure to excess...

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The issue of Blue Light is in the news on a daily basis now, and although people have heard about it, few understand the threat, implications, and options for protection. By far, the best perspective about Blue Light I have seen to date is Dr. David Suzuki's "Nature of Things" documentary titled "Lights Out". www.cbc.ca/natureofthings/episodes/lights-out  Do yourself a favour and take the time to watch this excellent summary about the effects of Blue light, particularly about its effect on the sleep wake cycle and circadian rhythm. Blue Light is both naturally generated, from the sun, and artificially generated from our...

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blue light, children, circadian rhythm, neuroscience, sleep -

In a very recent article published by Stephen Walter of "The Telegraph" (U.K.),  three times as many children under 14 years of age are admitted to Hospitals for sleeping disorders than ten years ago. In many cases, technology may be the cause. Artificial Blue light emissions from smartphones, tablet computers, and computer monitors are not only resulting in eye stress (commonly referred to as Digital Eye Strain) but more importantly this high energy visible light may be activating Melanopsin, which in turn suppresses Melatonin production. The consequences may not only be normal sleep cycle disruption, but it may manifest in dire...

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In the past five years, we have witnessed Blue Light evolving from a topic (i.e. something talked about) to an issue (a problem that needs solving).  There are growing amounts of information about Blue Light, but a surprising amount is incorrect. Some information is opinion presented as fact, while other information is outdated, and some information is promotional (may be based on selected facts, or presented in such a way to bias the reader for beneficial purposes).  Nathan Walz wrote one of the best recent articles about Blue Light. We were so impressed by the article that we contacted Nathan...

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amd, blue light, eye, ultraviolet light, vision -

Does the topic of “light” warrant a Blog? Surprisingly, light may be one of the more impactful issues affecting our health, both vision and physiological; so “light” warrants greater understanding.  We are of the opinion the best stories are true, that is, based on facts. One of the first facts we encountered was an issue the eyewear industry has overlooked or chose not to address; that Blue Light is more damaging than Ultraviolet light. Approximately six years ago we went in search of a differentiator for our products, and to us, the most important feature of sunglasses should be lens...

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