Strong Eyes: How Weak Eyes May Be Strengthened And Spectacles Discarded is a self-help book written by Bernarr Macfadden and published in 1901. The book is a guide to improving eyesight naturally and getting rid of the need for spectacles. Macfadden starts the book by discussing the importance of good eyesight and the negative effects of using spectacles. He then goes on to explain various exercises and techniques that can be used to strengthen weak...