they have them on amazon, and I use flashcards to study for my exams so I figure these would be a very valuable asset for me
http://www.amazon.com/OAT-Flashcard-Secrets-Questions-Optometry/dp/B0010XPKEM
http://www.amazon.com/OAT-Flashcard-Secrets-Questions-Optometry/dp/B0010XPKEM