The light that bounces off these clouds passes through the ozone layer before it gets to our eyes. Ozone absorbs red light and allows blue light to pass through, which is why these clouds take on ...

according to The Vision Council’s 2016 Digital Eye Strain Report, exposing consumers to blue light that some suggest is dangerous. Adam Gordon, O.D., clinical associate professor at the University of ...

Blue light usually comes from the sun but also from digital screens and LED lights. Some experts believe artificial sources may be causing eye damage in humans, but animal studies are inconclusive.

They resemble pale brushstrokes against a blue sky, and often are bathed in an amber hue as daylight dwindles. But noctilucent clouds are different. “They were kind of a bright, light blue ...

Blue light filtering is also available as an add-on to prescription and reader glasses. How do you go online? More of us are choosing phone over home broadband Although digital devices emit blue ...

Reducing blue-light on your Windows PC, Mac, or Chromebook is a good way to protect your circadian rhythm and reduce eye strain. While you can download third-party apps, the latest versions of the ...