A Text-Book of Hygiene; A Comprehensive Treatise on the Principles and Practice of Preventive Medicine from an American Standpoint

A Text-Book of Hygiene; A Comprehensive Treatise on the Principles and Practice of Preventive Medicine from an American Standpoint

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1885 edition. Excerpt: ...of the prevalence of nearsightedness in schools are badly arranged, or insufficient light, bad air, overheating of the school-rooms, improper construction of desks, compelling children to lean forward while reading or writing, and badly printed text-books. The use of small type, poor paper, and bad press-work in text-books is very reprehensible. The type technically known as long primer, one size smaller than that nsed in this book, is the smallest that should be used in text-books. That badly arranged light and improper seats are causes of myopia, has been shown by Florschutz in his examinations of the pupils in the public schools of Coburg. He found that in the newer schools in which the light and seats are better arranged, the percentage of nearsight decreased. The average percentage of those examined in 1874 was twenty-one, while in 1877 it had been reduced to fifteen, showing the great improvement due to the application of correct sanitary principles in construction of school-houses. tmatxtm: Die nytfene der Scbule, in von Pkttinkomr and Ziiumin'b Hand buch der Iljrgiene. II Th., S Abtti.. p, W. Defective hearing has recently been shown to be especially frequent among school children. A Berlin aurist found 1,392 children out of 5,902 (23.6 per cent.) suffering from ear disease of some kind. Dr. Samuel Sexton, of New York, and Dr. Chas. F. Percivall, director of music in the public schools of Baltimore, have arrived at similar results after examination of a large number of school children. Spinal curvature is present in a large proportion of the children attending schools. Statistics are not very full upon this subject, but one author, Guillaume, states that he found lateral curvature of the spine in 218 out of 731 school children, a...show more

Product details

  • Paperback | 100 pages
  • 189 x 246 x 5mm | 195g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236516710
  • 9781236516718