Unexpected flashes of light in your eye can be alarming, and in many cases, it’s something that should be discussed with your ...

Have you ever wondered how your eyes work? What's really happening when you see something? Of course, you can only see something when there's light. And what is light? It's energy that zooms ...

Difficult, but not impossible. Scientists have come up with scenarios through which the first eye-like structure, a light-sensitive pigmented spot on the skin, could have gone through changes and ...

There is conflicting evidence about how blue light exposure affects your eyes, but doctors and researchers agree that it does affect your circadian rhythm. Compared to fluorescent and ...

This is the part of the eye that lets the light in. Lights out please! When it’s dark… muscles in the iris make the pupil grow bigger, which means it can let in more light. When there’s lots ...