Scientifically, sunlight exposure during outdoor play stimulates the retinas to release more dopamine, a chemical that helps ...

In blinding bright light or pitch-black dark, our eyes can adjust to extreme lighting conditions within a few minutes. The ...

Scientists have long known that the brain's visual system isn't fully hardwired from the start—it becomes refined by what ...

A woman took to Twitter to reveal her eyeballs changed shape when she was pregnant, resulting in her being unable to wear ...