Chapter VII: MEDICINE AND HYGIENE.--Nervous Exhaustion. By GEORGE M. BEARD,

M.D. Symptoms continued. Mental depression with timidity; morbid
fear of special kinds; headaches; disturbances of the nerves and
organs of special sense; localized peripheral numbness and
hyperæsthesia; general and local chills and flashes of heat; local
spasms of the muscles. Suggestions and treatment. Electricity.
Application of cold; kind of food; exercise; medicines.
The Art of Preserving the Eyesight. V. From the French of Arthur
Chevalier. Presbyopy, or long sight. Symptoms. Causes. Artificial
light. Franklin's spectacles. Spectacles for artists. Hygiene for
long sight, and rules. Myopy, or short sight. Dilation of pupil,
and other symptoms of myopy. Glass not to be constantly used in
myopy. How to cure slight myopy. Choice of glasses. Colored
glasses for short sight. False or distant myopy, and glasses to be
used, 5 figures.