Facts101 is your complete guide to Clinical Optics and Refraction , A Guide for Optometrists, Contact Lens Opticians and Dispensing Opticians. In this book, you will learn topics such as as those in your book plus much more. With key features such as key terms, people and places, Facts101 gives you all the information you need to prepare for your next exam. Our practice tests are specific to the textbook and we have designed tools to make the most of your limited study time.