James Thorington
Refraction and how to refract
Refraction of the Human Eye and Methods of Estimating the Refraction
Ophthalmoscope and How to Use It; with Colored Illustrations, Descriptions, and Treatment of the Principal Diseases of the Fundus
Prisms - Their Use and Equivalents
Refraction of the Human Eye & Methods
Refraction of the human eye and methods of estimating the refraction, including a section on the fitting of spectacles and eye-glasses
Retinoscopy (or Shadow Test)
Retinoscopy or Shadow Test - in the Determination of Refraction at One Meter Distance, with the Plane Mirror