Deafness practically illustrated / [James Yearsley].

  • James Yearsley
Date:
[1849]
Catalogue details

Licence: Public Domain Mark

Credit: Deafness practically illustrated / [James Yearsley]. Source: Wellcome Collection.

    34/200 page 22
    a very ingenious lamp for inspecting the inner re- cesses of the body. Of all the instruments I have seen, this is by far the most efficient, and, moreover, it commends itself by its portability. But, after all, these various instruments are to be prized more for their service in illuminating other passages than those of the ear; to the practised aurist, the light of day. is amply sufficient, and it is only when deprived of this auxiliary in the detection of disease, that artificial illumination becomes of any value for his purposes. The external auditory passage, like the auricle, is subject to an affection characterized by more or less itching, tickling, and burning sensation, accompanied by confusion and sometimes pain in the head, with various kinds of noises in the ears and diminution of hearing. The irritation gives rise to an increased secretion of ear-wax, which, from the unnatural heat of the parts, is rapidly deprived of its moisture, and thus, a dry hardened accumulation takes place, alto- gether preventing the waves of sound from reaching the tympanum. . Deafness is the result. During the continuance of the disorder, the patient not unfre- quently experiences sudden loud noises in the ears, followed by an immediate but temporary improvement of hearing. This arises from the breaking away or displacement of portions of the hardened wax; and it not unfrequently happens, that the whole concretion falls out, in which case, the patient is at once most un- expectedly relieved. In the absence of such result, the accumulation should be removed by careful syringing with warm water, or by a small forceps. In my own practice,
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