Stránka:book 1912.djvu/351

Health and Woodland Medicine 519 thorough rub-down finishes, and the patient should roll up in a blanket and lie down for an hour. Aromatic herbs or leaves are sometimes thrown on the stones to help the treatment. This is fine to break up a cold or help a case of rheu- matism. I have found it an admirable substitute for the Turkish bath. LATRINE Nothing in camp is more important than the latrine or toilet. It is fully described on page 262. THE KEEN EYES OF THE INDIAN. DO YOU WISH TO HAVE THEM? Near-sightedness. An eminent eye doctor, Dr. W. H. Bates of New York, has found out how you can have sight as keen and eyes as good as those of the Indians who live out of doors. After eight years' study of the sub- ject he has established the following : a. The defect known as near-sight or short-sight seldom exists at birth, but is acquired. b. Besides being acquirable, it is preventable and in some cases curable. c. It comes through continual use of the eye for near objects only, during the years of growth. The Remedy. The remedy is, give the eye regular mus- cular exercise every day for far-sight by focussing it for a few minutes on distant objects. It is not enough to merely look at the far-off landscapes. The eye must be definitely focussed on something, Uke print, before the necessary muscular adjustment is perfect and the effect obtained. The simplest way to do this is — get an ordinary eye testing card, such as is sold for a nickel at any optician's.