Our brain and eyes can play tricks on us—not least when it comes to the expanding hole illusion. A new computational model ...

The human eye’s estimated resolution is superior to even the most advanced cameras. But is it really that simple?

When evolution skeptics want to attack Darwin's theory, they often point to the human eye. How could something so complex, they argue, have developed through random mutations and natural selection ...

The human eye can detect over 10 million different colours and is incredibly sensitive to light, adjusting instantly to different conditions. Every eye has a blind spot where the optic nerve ...

They are far more sensitive to light than cone cells, which is why you can sometimes see stars out of the corner of your eye at night, but when you look straight at them they seem to disappear. 5.

Iris photography - sometimes referred to as Iris art - is when a photographer takes a high-resolution photograph of a ...