Dry eye can show up in many different ways. Aside from constant burning, itching and discomfort, dry eye can feel like a ...

Your eyes and your brain are doing a lot of work to process images — more than you may realize. Learn more about how many frames the human eye can see per second, if you can test human FPS, and ...

Simply make your eyes cross so that both "+" symbols are on top of each other to see if you can see the forbidden colour Credit: Nessa Labs Forbidden . Forbidden colours are those that are not ...

Optometrists are professionals who provide primary health care for your eyes. Learn more about optometrists, the conditions they treat, and why you might want to see one.

“Yeah, the human eyes can see Northern lights when lightning conditions are proper for it,” said Mehregan. He says when it comes to cameras and our eyes, cameras have a longer exposure time.