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March 15, 1902


JAMA. 1902;XXXVIII(11):713. doi:10.1001/jama.1902.02480110035008

Ophthalmologists probably sometimes magnify the effects produced by ocular errors of refraction, but it is certainly true that such refractive defects are responsible for a large proportion of headaches and for other reflex disturbances. In a recent article1 George S. Hall of California states that very many of the neurasthenics who go across the continent in search of health have errors of refraction, which are the largest factor in their breakdowns, and he finds that a pair of spectacles often does what the climate will not for such persons. He also insists upon the deleterious effects of such defective eyes upon the general health of tuberculous patients. In opening the discussion upon headaches and their treatment at the 67th annual meeting of the British Medical Association, Lauder Brunton2 said: "In all cases of headache the first thing to do is to examine the the teeth and see if any