Miners' Nystagmus and Its Relation to Position at Work and the Manner of Illumination is a book written by Simeon Snell in 1892. The book explores the medical condition known as nystagmus, which affects the eyesight of coal miners. Snell investigates the causes of nystagmus, including the position miners work in and the lighting conditions they are exposed to. He also examines the symptoms of nystagmus, such as blurred vision and eye strain, and the...