Some worry blue light damages the eye, resulting in gradual vision loss and discomfort. Johnson & Johnson's new contact lenses claim to change that. Share on Facebook (opens in a new window) Share on ...

Here’s what you’ll learn when you read this story: New soft contact lenses use upconversion nanoparticles to convert infrared light into visible light. Unlike night-vision goggles, which can only see ...

Blue light is a high-energy light that the eyes absorb from computers, smartphones, LED lights, and fluorescent lights. The sun is the biggest source of blue light. On a sunny day, it's 100,000 times ...