The eye : its imperfections and their prevention : comprising a familiar description of the anatomy and physiology of the organ of vision : rules for the preservation, improvement, and restoration of sight : with remarks on near sight and aged sight, on optics, and the use and abuse of spectacles, with directions for their selection / by James W. Powell.

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

The eye : its imperfections and their prevention : comprising a familiar description of the anatomy and physiology of the organ of vision : rules for the preservation, improvement, and restoration of sight : with remarks on near sight and aged sight, on optics, and the use and abuse of spectacles, with directions for their selection / by James W. Powell. Public Domain Mark. Source: Wellcome Collection.

Provider

This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)