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 ...

Lots of phone and tablet apps promise to improve sleep by filtering out the blue light from device screens. But that won't help if the reason you're not getting enough shut-eye is caffeine or stress.

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 ...

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, ...

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 ...