Publisher's Synopsis
This book, "Ketchum's lessons on the eye dedicated to the world of optometry and especially to those who have sacrificed their time and energy to the end that the word optometrist may be honored by all other professions", by Marshall B. Ketchum, is a replication of a book originally published before 1920. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.
