Years ago, when I taught school in a Minnesota village, I had never heard of adenoids, hypertrophied tonsils, myopia, hypermetropia, or the relation of these defects and of neglected teeth to malnutrition, truancy, sickness, and dullness.
"Civics and Health"
William H. Allen
In "long sight," or hypermetropia both the near and far point of vision are concerned, and there is no distinct vision at any distance without a strain.
"A Practical Physiology"
Albert F. Blaisdell