Watch this video which explains how light travels into our eyes so that we can see things. Of course, you can only see something when there's light. And what is light? It's energy that zooms ...

Many people blame blue light for eye strain, but that's not entirely accurate. The real culprits are how long you stare at a ...

Your GP shines a light in your eyes, orders a blood test and requests some medical imaging. All rely on light to help diagnose disease.

“However, incorrect usage of LED light masks can lead to eye damage due to cumulative light exposure or overload,” she adds. Basically, the key is just making sure you’re not accidentally ...

Light helps explain the evolution of our skin color, why some of us have curly hair, and even the size of our eyes. As we'll explore in future articles in this series, light helps shape our mood ...