Refraction and how to refract
Subtitle: including sections on optics, retinoscopy, the fitting of spectacles and eye-glasses, etc.
By: by James Thorington.
Edition: 3rd ed.
Publisher: P. Blakiston's Son & Co.
Published: 1904
Place of publication: Philadelphia
Language: eng
Number of pages: 314
Subjects: Eye -- Examination; Eye -- Accommodation and refraction
Notes: Originally published: 1899.
Printed by Wm. F. Fell Company, Philadelphia, Pa.
Includes index.