Whether you're wearing brown, blue or green lenses, this is how your sunglasses' color affects their performance.

We tested blue light glasses to find the best ones for business trips, movie marathons on long flights, e-readers, and excessive screen time. Barbara Bellesi Zito is a writer with nearly 20 years ...

Blue-light-blocking glasses work by reflecting those wavelengths away from the lenses to stop them from reaching your eyes. (Note that, despite emitting blue light, most consumer tech is not ...