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 ...

Eventually, the light-sensitive spot evolved into a retina, the layer of cells and pigment at the back of the human eye. Over time a lens formed at the front of the eye. It could have arisen as a ...

The recommendations below draw upon our expertise and take into account published studies on blue light exposure and the efficacy of these glasses in protecting your eyes from them. Most ...