Lectures on the errors of refraction and their correction with glasses
Subtitle: delivered at the New York post-graduate medical school, with illustrative cases from practice, both private and clinical.
By: By Francis Valk ...
Publisher: G. P. Putnam's sons
Published: 1889
Place of publication: New York and London
Language: eng
Number of pages: 241
Subjects: Eye -- Accommodation and refraction.
Notes: Will reformat; 19961110