[Otoacoustic emission measurements. Clinical case reports. Part I].

Measurement results of click evoked otoacoustic emissions (EOAE) and distortion product otoacoustic emissions (DPOAE) obtained in two cases of inner ear pathology are presented. One case involved unilateral perceptive deafness in a 18 year old male with a history of heavy mumps, and the other concerned early hearing loss due to 5-year exposure to industrial noise in a 23 year old male. Feasibility of using otoacoustic emission measurements to determine the extent and type of hearing loss is discussed.