Some experts will tell you that the human eye can see between 30 and 60 frames per second. Some maintain that the human eye may be able to see much more than that although more research is needed.

This surface is called the retina and is made up of special cells which detect light and send messages to our brain, allowing us to see. When we have our eyes tested, an optician shines a light ...

This surface is called the retina and is made up of special cells which detect light and send messages to our brain, allowing us to see. When we have our eyes tested, an optician shines a light ...

Elton John's "severe" eye infection has caused him to lose sight in his right eye for four months. The singer-songwriter ...