While the study found blue light could stress the retina and affect sleep, it also found that blue light glasses may not be the solution: The meta-analysis concluded that none of the 17 studies ...

Orange-tinted glasses block out 99% of blue light but let in more non-circadian light than red-tinted lenses, “so they’re a little easier to wear,” says Dr. Grandner. Not only do the amber ...

Blue light and sleep Light affects your circadian rhythm. In the morning, light signals to your body that it's time to wake up, which is why you tend to be more alert during the day.

Research from the American Academy of Ophthalmology shows that the amount of blue light from digital devices is significantly smaller than what we receive from the sun. A sunny day exposes us to ...

Blue light isn’t likely to be why staring at such devices for extended periods of time can cause eyestrain, Rosenfield said. Instead, it’s the way people look at these screens.

Blue light can also break down collagen and elastin, which help give skin its firmness and elasticity, Rodney says. “That can lead to fine lines and wrinkles over time.” ...

Blue light glasses work by reflecting the light waves coming in so they bounce off the surface. There's a coating or filter on the lens that reflects the wavelength, or "blue" spectrum of light ...

Blue light is part of the visible light spectrum and accounts for about one-third of all light we see as humans. This type of light influences alertness, hormone production and sleep cycles.

However, recent research from analysis site The Conversation indicates that your pre-bed smartphone habit might not be the major sleep disruptor you think it is. The study suggests blue light ...

Read about what blue light therapy is, how it works, and how it can treat depression. This guide also explains potential side effects and how long it takes to work for depression.

When blue light reaches our skin, it causes DNA damage by interacting with the oxygen and nitrogen in our skin (Suitthimeathegorn et al., 2022) as well as by generating an inflammatory response in ...

We've had success in converting longer wavelength blue LED light into shorter wavelength UVA. So, our next step was to find compounds that could convert blue LED light to UVB," explains Yanai.