Book Definition: The thin, light-sensitive layer at the back of the eyeball. The retina contains millions of photoreceptors, and other nerve cells.


In Your Own Words


  • Layer in the eye that reflects light and transfers waves into color and images.

  • The retina is the "film" in the back of the "camera," except the cam is your eye and the film is constantly moving.

Examples/Functions

  • response to light.
  • forms the origins of the optic nerve.
  • different layers are marked for clarity.

Additional Resources



  1. http://www.stlukeseye.com/anatomy/Retina.asp