The quiz has 20 photos. These photos are from the "Important Photos" folder. There are approximately 34 multiple choice questions about the photos. Be sure to study the differences between anterior blepharitis, posterior blepharitis, chalazion, and hordeolum. Many of the test questions come from the Eye Wiki articles in the folder.
There will also be 20-25 questions about terms like "myokymia" and "leukocoria