The foreign literature available on functional tests of hearing has been scant, with the exception of some excellent contributions from the Scandinavian countries. On the other hand, in this country considerable highly scientific research has been done. A definite interest is shown in hearing aids and their practical application and in hearing problems associated with aviation. With the enormous increase in commercial aerial travel, medicolegal questions will probably arise because of aural disturbances in passengers. There is increasing study of prophylaxis against the deafness of children, especially of the relation of early loss of hearing for high tones to later forms of deafness.
HEARING AIDS AND AUDIOMETERS
The progress of the committee on hearing aids and audiometers of the Council on Physical Therapy of the American Medical Association is reported by Newhart.1 Only slight modifications have been made in the tentative specifications of the minimum requirements for audiometers, without material
LEWY A, LESHIN N. FUNCTIONAL EXAMINATION OF HEARING. Arch Otolaryngol. 1941;33(1):91–131. doi:10.1001/archotol.1941.00660030092011
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