Lectures on the errors of refraction and their correction with glasses
By: delivered at the New York post-graduate medical school, with illustrative cases from practice, both private and clinical ; by Francis Valk
Edition: 3rd ed.
Publisher: G.P. Putnam's Sons
Published: 1892
Place of publication: New York
Language: eng
Number of pages: 257
Subjects: Eye; Accommodation and refraction