The Admission Test Series prepares students for entrance examinations into college, graduate and professional school as well as candidates for professional certification and licensure. The Optometry Admission Test (OAT) Passbook® prepares you by sharpening the skills and abilities necessary to succeed on your upcoming entrance exam. It provides a series of informational texts as well as hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: biology; chemistry; scientific reading comprehension; quantitative reasoning; physics; and more.