The Phoroptor

By Henry Lawrence DeZeng and Henry L de Zeng IV

Book Overview

The Phoroptor is a book written by Henry Lawrence DeZeng and published in 1922. This book is a comprehensive guide to the phoroptor, a device used by optometrists and ophthalmologists to measure a patient's refractive error and determine the best prescription for correcting it. DeZeng covers the history of the phoroptor, its design, and how it works. He also includes detailed instructions on how to use the device, including how to properly position the patient and adjust the lenses. The book also covers common refractive errors and their correction, including myopia, hyperopia, and astigmatism. DeZeng provides examples of phoroptor readings and how to interpret them, as well as tips for troubleshooting and adjusting the device.Overall, The Phoroptor is a valuable resource for anyone in the field of optometry or ophthalmology, providing a thorough understanding of this important diagnostic tool.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.

• Format: Paperback
• Language: English
• ISBN: 1120914795
• ISBN13: 9781120914798
• Release Date: January 2010
• Publisher: Kessinger Publishing
• Length: 124 Pages
• Weight: 0.39 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"