The Economy of the Eyes: Precepts for the Improvement and Preservation of the Sight is a book written by William Kitchiner in 1824. The book provides a comprehensive guide on how to take care of one's eyesight and improve it. Kitchiner explains the anatomy of the eye and how it works, and then goes on to discuss the various factors that can affect one's vision, such as age, diet, and environment.The book provides practical advice on how to maintain...