Op - Art: Science 

---

 History   Science   Techniques   Gallery   Links   Home   Email us   Science of the Eye       Most of us take vision for granted.  However perceiving images, objects, color, and motion is a very complicated process.  Light waves enter your eye and then enter photoreceptive cells on your retina. The image that forms on your retina is flat, yet you perceive a world of shape, color, and motion.  Illusions are a powerful and fun tool that can allow us to see and interrupt images not normally seen. Your visual system can interrupt the scene in more than one way.   Even though the image on your retina remains constant, you never see an odd mixture of two perceptions.
Click here to go back.