Online Encyclopedia

CAUSES AND

Online Encyclopedia
Originally appearing in Volume V04, Page 60 of the 1911 Encyclopedia Britannica.
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CAUSES AND PREVENTION There are many cases of complete or partial blindness which might have been prevented, and a knowledge of the best methods of prevention and cure should be spread as widely as possible. Magnus, Bremer, Steffen and Rdssler are of opinion that 40 % of the cases of blindness might have been prevented. Hayes gives 33.35 % as positively avoidable, 38.75 % possibly avoidable, and 46.27 % as a conservative estimate. Cohn regards blindness as certainly preventable in 33 %, as probably preventable in 43 %, and as quite unpreventable in only 24 %. If we take the lowest of these figures, and assume that 400 out of every I000 blind persons might have been saved from such a calamity, we realize the importance of preventative measures. For the physiology and pathology of the eye generally, see VISION and
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