Fifty ears of 37 patients demonstrating several common types of hearing impairment were
examined for the presence of spontaneous and evoked otoacoustic emissions to investigate
the relationship of acoustic emissions to hearing pathology. Of the 50 ears, 44 exhibited
various degrees of sensorineural hearing loss. Evoked otoacoustic emissions to clicks were
detected in 34 of 35 sensorineural hearing loss ears with a subjective click threshold less
than 55 dB SPL (25 dB nHL). None of nine ears with sensorineural hearing impairment and …