""How To Use Our Eyes, And How To Preserve Them By The Aid Of Spectacles"" is a book written by John Browning in 1883. It is a comprehensive guide for individuals who want to take care of their eyes and maintain good vision. The book discusses the anatomy and physiology of the eye, the causes of eye diseases, and the importance of regular eye exams. It also provides practical tips on how to use our eyes efficiently, avoid eye strain, and protect them...