Key Facts A new meta-analysis published in the Cochrane Database of Systematic Reviews discovered blue-light glasses may not make a difference in sleep quality, eye strain or eye health.

Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults — but only if they time it right.

Blue light -- the kind from your smartphone, tablet, TV, and even energy-efficient light bulbs -- can lead to a range of health issues. Here are a few tips to ward off blue light’s effects.

Whether it’s for a special occasion or just an ordinary day in need of a little sparkle, glitter nails are the perfect way to add some eye-catching charm to your look.

Blue light from computer screens and smartphones stimulates eyes and can cause sleep problems — but a new analysis finds blue light blocking glasses may not be much help.

Blue light also slows or stops your body’s release of melatonin, the hormone that regulates sleep. In one study, participants using an e-reader at bedtime took longer to fall asleep and reported ...