If you are performing subjective refraction or prescribing glasses, you need this book!
This effortlessly clear and comprehensive text covers everything you need to know about practical optics and corrective lenses. Plus and minus cylinder methods, as well as the use of the Jackson Cross Cylinder, are explained step by step, complete with illustrations.
Dr. Kolker also includes tips for working with patients to achieve best corrected vision, and the book contains several case studies, presented in a question and answer format that allows the reader to use their new knowledge of subjective refraction immediately.
You'll wonder how you were ever confused by refraction.