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Description - On Megrim, Sick-Headache and Some Allied Disorders by Edward Liveing

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. 1873 Excerpt: ...refer. Some time since I was consulted about a young gentleman in whom a fit, apparently of an epileptic character, had been occasioned by an effort to read small print, and a renewal of the attack was afterwards threatened whenever he repeated the attempt or applied himself much to reading. Here there was evidently some degree of hypermetropia, the effect of which had been heightened by debility and the asthenopic condition into which he had fallen; to this I directed my treatment, desiring him at the same time to obtain suitable glasses. Not having heard of any return of the seizures I am willing to believe in a favourable result. The key to many such cases of megrim as M. Piorry has recorded will be found, I believe, in such conditions of vision as those to which I refer. The last illustration he has given of " ophthalmic migraine" lends additional confirmation to this explanation, though in this instance the visual defect was myopia, and the symptoms were not strictly those of megrim: --" Dr. D had long used concave No. 10 glasses; they suited him perfectly, but when travelling in Russia the glasses were broken, and he was obliged to replace them on the spot by other concave glasses of unknown strength, probably approximating No. 10, since they suited his sight, but really differing as we shall see. It was about five or six months after that Dr. D wished to obtain new glasses at Paris (chez Lerebours): he naturally selected No. 10 as those which suited him best, and the trial he made on the instant seemed to justify his choice. Some days after, wishing to use his glasses, he began to experience, at the end of an hour or two, a sense of weight and a very painful constriction in his eyes; the sight was clear, but rather painful to sustain; i...

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