Like a traffic cop directing cars, a layered stack of transparent materials permits light arriving from only a single direction to pass through. Such angle-sensitive filters could improve cameras and ...

January brings with it a swathe of advertising from glasses retailers, jumping on the recently renewed health insurance benefits of the bespectacled. But this summer, the hot product isn't new frames, ...

Wearing blue light filter glasses for screens may not benefit everyone and can disrupt sleep. Trust technology instead of hoaxes. Consider individual requirements and adopt a holistic strategy for eye ...

Blue light has had a negative impact on our health since the pandemic, and it’s all thanks to all-time high digital screen time levels. Blue light is known to affect sleep habits and overall work ...

A couple of years ago, science was convinced that the blue light coming from our screens was not only harmful, but could keep us awake at night, too. The countermeasure to that was blue light filters ...