Intelligent design and the eye. -Watch-

The evolution (or more appropriately - the irreducible complexity) of the eye has always one of the points that the intelligent design camp has harped about. Here's a video explaining how the present eye could evolve from a primitive light sensing organ.

From YouTube:

Zoologist Dan-Eric Nilsson of the University of Lund in Sweden explains how the complex human eye could have evolved gradually from a primitive light-sensitive eye-spot.