Optics, Retinoscopy, and Refractometry, Second Edition

Al Lens, COMT
ISBN 10:
ISBN 13:
Trade Paperback
Publication Date:
Item Number:
Product Dimensions:
7.00 x 10.00 x 0.38 inches

eBook Available:

Amazon Kindle

Book Description

Optics, Retinoscopy, and Refractometry, Second Edition is a valuable and up-to-date reference that allows the reader to better understand and measure the patient's refractive error. Information is presented on each of the three important topics in an easy-to-read format.

Al Lens, COMT begins Optics, Retinoscopy, and Refractometry with a focus on the basics of optics, providing the foundation for understanding retinoscopy. The detailed instructions and practical exercises help the beginning technician become proficient at the valuable skill of retinoscopy. This comprehensive resource concludes with a simplified approach to refractometry, including a section on refractive surgery from an optics perspective.

New to this edition:
A section on refractive surgery from an optical point of view.
Discussion on wavefront technology.
Updated text and diagrams.
Study icons throughout the text.
Appendices containing data on the metric system, units of measurement, metric conversions, and abbreviations.
Refractometry exercises.

Whether you are a beginning technician looking for a basic overview or an experienced examiner in search of a clear-cut review, Optics, Retinoscopy, and Refractometry, Second Edition will suit all your optics needs.

More Information



About the Author
The Study Icons

Chapter 1. Optics
Chapter 2. Retinoscopy
Chapter 3. Refractometry

Appendix A: The Metric System
Appendix B: Abbreviations
Appendix C: Exercises



"This second edition incorporates new technologies and is therefore an important addition. It is an excellent learning guide for ancillary personnel involved in providing cursory refractive procedures." — Brian D. Marshall, OD, Doody Enterprises

About the Editors

Al Lens began his ophthalmic career in 1986 at the Gimbel Eye Centre in Calgary, Alberta, Canada. His keen interest in learning and teaching put him in the position of training ophthalmic assistants. After writing The Ophthalmic Assistant Guide, Al began lecturing across North America at various conferences. His teaching has taken him as far away as Saudi Arabia. He is author of LASIK for Technicians and coauthor of Ocular Anatomy and Physiology and Cataracts and Glaucoma. The latter 2 publications are part of The Basic Bookshelf for Eyecare Professionals Series.