Pub. Date:
SLACK, Incorporated
Optics, Retinoscopy, and Refractometry / Edition 2

Optics, Retinoscopy, and Refractometry / Edition 2

by Al Lens
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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.

Product Details

ISBN-13: 9781556427480
Publisher: SLACK, Incorporated
Publication date: 01/01/2006
Edition description: New Edition
Pages: 130
Sales rank: 1,049,110
Product dimensions: 7.00(w) x 10.00(h) x 0.40(d)

About the Author

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.

Table of Contents




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


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