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A Harvard study shed a little bit of light on the possible connection to diabetes and possibly obesity. The researchers put 10 people on a schedule that gradually shifted the timing of their circadian rhythms. Their blood sugar levels increased, throwing them into a prediabetic state, and levels of leptin, a hormone that leaves people feeling full after a meal, went down. Directed by Gilles Bannier (Trigger Point, Tin Star, Spiral) and inspired by extensive research and interviews, Blue Lights is an authentic, gripping and darkly funny drama about ordinary people doing an extraordinary job in a society that could spiral out of control at any moment. Also, when outdoors in daylight, always wear sunglasses that filter blue light (as well as 100% of the sun's UV rays) after cataract surgery. And when using computers and other digital devices for extended periods, wear computer glasses that provide better blue light filtering than standard reading glasses. 6. Not all blue light is bad. A study by the US National Institutes of Health writes that "More than one-third of wearers found that a clear lens with a blue-filtering coating (BT lens, which all limit blue light up to 20%) provided better anti-glare performance and improved their vision for computer and mobile digital screens." So, about one-third of all visible light is considered high-energy visible (HEV) or “blue” light. Key points about blue light

Nicholson, Rebecca (28 March 2023). "Blue Lights review – don't sleep on this fantastically tense Belfast cop show". The Guardian . Retrieved 28 March 2023.

You Get More Blue Light Exposure From The Sun Than Your Screens

Grace (Siân Brooke), a mother of a teenage boy, has made the decision in her 40’s to leave her steady job as a social worker to join the Police Service of Northern Ireland. Having previously worked in social care she straddles a fine line between the personal and professional. It’s the biggest gamble of her life, and just a few weeks into the job, she’s making so many mistakes that her decision no longer looks like a winning bet. Because blue light scatters more easily than other visible light, it's not as easily focused. When we spend hours staring at computer screens and other digital devices, this poorly-focused visual “noise” from blue light reduces contrast and can cause discomfort.

Blue Lights cast members Siân Brooke, John Lynch, Martin McCann, Valene Kane, Katherine Devlin, Jonathan Harden, Nathan Braniff and Richard Dormer Every writer wants to explore their own place, and their own society as authentically and as honestly as they can. We feel enormously grateful to BBC drama for letting us do that with Blue Lights. And to do it with a cast boasting so much new and established talent makes it even more exciting. — Declan Lawn and Adam Patterson a b "BBC announces second series of Blue Lights". www.bbc.co.uk. 20 April 2023 . Retrieved 21 April 2023. Created and written by Declan Lawn and Adam Patterson, Blue Lights follows three rookie police officers working in Belfast, a uniquely dangerous place to be a police officer. It is made by Two Cities Television and produced with support from Northern Ireland Screen as part of their continued partnership with the BBC. Louise Gallagher, Executive Producer for Gallagher Films, says: “Gallagher Films is proud and honoured to have worked with such a fabulous creative team to bring Blue Lights to life and we are so delighted that filming has now started. We can’t wait for viewers to see this unique and authentic story and extend our thanks to the BBC and Northern Ireland Screen for their unwavering support.”Research has shown that when people use computers, laptops, and other digital devices, they tend to blink less often than normal. Fewer blinks can mean less moisture. A 2015 review has shown that blue light kills acne-causing bacteria and lowers inflammation in acne breakouts. One important note: If you’re going to try at-home blue light devices, make sure you choose one approved by the Food and Drug Administration (FDA). Help clear some skin conditions If you have even mild nearsightedness, farsightedness or astigmatism, prescription computer glasses can optimize your vision specifically for the distance from which you view your devices. This is especially important if you also have age-related presbyopia. Although people often associate blue light with computers and phones, the largest source of blue light is sunlight. Other sources include fluorescent light, compact fluorescent light bulbs and LED light. Blue light exposure from screens is much less than the amount of exposure from the sun. It's also no more damaging than blue light from the sun, Dr. Khurana says. https://www.aoa.org/news/clinical-eye-care/health-and-wellness/blue-light-hype-or-much-ado-about-nothing?sso=y

Not all colors of light have the same effect. Blue wavelengths—which are beneficial during daylight hours because they boost attention, reaction times, and mood—seem to be the most disruptive at night. And the proliferation of electronics with screens, as well as energy-efficient lighting, is increasing our exposure to blue wavelengths, especially after sundown. Light and sleep of all forklift accidents involve a pedestrian. Ensure pedestrians stay a safe distance away from the forklift with the Red Zone Danger Area Warning Light. Digital eyestrain means different things to different people, but is generally related to the focusing system of the eyes. Animal studies and lab studies have raised questions about whether blue light could speed up the process of macular degeneration. Still, eye doctors and researchers do not think there is a verifiable link between using LED or blue-light-emitting devices and AMD.

So far, research does not appear to validate the concern about blue light eye damage. While some animal studies have shown that blue light can damage cells in the retina, eye doctors say there is little proof that blue light damages the retina of the human eye. Rays on the blue end of the visible light spectrum have short wavelengths and high energy. Those on the red end of the spectrum have long wavelengths and less energy. Richardson, Hollie (24 April 2023). "TV tonight: excitement mounts in a superb NI cop show". The Guardian . Retrieved 25 April 2023.