The eye can be compared to a camera. They both gather light and transform it into a picture that we can interpret. They both focus the incoming light with the help of a lens. The eye uses the retina to produce an image whilst the camera uses film. To learn more about the inner workings of the eye, just click on the name of the corresponding part in the animation.

To help you decide if Lasik procedure is really for you, WalletPop compared the Lasik costs and sight improvements of laser eye surgery vs. a lifetime of contacts and glasses, and asked some experts to shine a light on the procedure.