This worksheet covers all the material that you are responsible to know for any subsequent test or exam.

1. List the five parts of the eye.
2. What part of the eye focuses the incoming rays of light and where is the image suppost to form?
3. What type of lens is in the eye?
4. What is the purpose of the iris?
5. What two types of nerves make up the retina?
6. Explain the difference between the rod and cone.
7. What is the "eye's blind spot" and where is it found?
   Try the blind spot test as outlined in the note.
8. List the characteristics of the image formed in the eye.
9. What does the brain do to the image formed on the retina?
10. There are three basic types of vision impairment. Name them and explain each completely.
11. How are each of these impairments corrected. Make sure you describe how the necessary lenses correct the problem.

1. When finished you go to additive colour theory applet.
   An review colour combinations. Applet is courtesy of Prof Fu-Kwun Hwang
   Click Here

   Non of this material is in your course of studies but it is interesting and does explain the therory behind computer coded colour numbers.
   The color of these words is brown since I coded in the numbers
   165 - 42 - 42 for this line.