The eyes are undoubtedly the most sensitive and delicate organs we possess, and perhaps the most amazing. They present us with the window through which we view the world, and are responsible for four fifths of all the information our brain receives – which is probably why we rely on our eyesight more than any other sense.
The eye in detail
The different parts of the human eye and a description of what they all do.
Common eye problems
An explanation of common eye problems such as short and long sightedness.
How we see
Have you ever wondered how we actually see the things around us? This is where you can find out.
Questions about the eye
Answers to some common questions about the human eye: what determines your eye colour? Why do pupils dilate? What is the blind spot?
An optical illusion is a deceptive or misleading image that it tricks the brain into interpreting the information sent to it by the eye in a way that's - to some degree - wrong.