This chapter presents conceptual tools to aid in understanding the optics of the human eye. In addition, it covers the various methods used to measure the eye’s ability to “see” and reviews the types of refractive errors of the eye. Treatment of refractive errors is discussed in Chapters 4, 5, and 6 of this volume.
Excerpted from BCSC 2020-2021 series : Section 3 - Clinical Optics. For more information and to purchase the entire series, please visit https://www.aao.org/bcsc.