Refraction of the human eye and methods of estimating the refraction including a section on the fitting of spectacles and eye-glasses, etc. This book, "Refraction of the human eye and methods of estimating the refraction", by James Thorington, is a replication of a book originally published before 1916. 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.