title: [The objective evaluation of hearing aids].
abstract: OBJECTIVE
  To objectively evaluate the effect of hearing aids.
  
  
  METHODS
  The procedure involved eliciting ABRs by clicks and slow vertex response (SVRs) by tone pips to the aided and unaided ear presented in sound field.
  
  
  CONCLUSIONS
  There has high relativity between the thresholds of SVRs and free field pure tone audiometry. There has no significant difference between the gains from SVRs and free field pure tone audiometry.
authors.affiliation: Beijing Tiantan Hospital, Beijing 100050.
authors.forename: Y
authors.initials: Y
authors.lastname: Li
authors.forename: H
authors.initials: H
authors.lastname: Guo
authors.forename: C
authors.initials: C
authors.lastname: Wang
authors.forename: H
authors.initials: H
authors.lastname: Zhang
mesh_terms: D000293:Adolescent; D001301:Audiometry, Pure-Tone; D002648:Child; D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D016057:Evoked Potentials, Auditory, Brain Stem; D005260:Female; D006310:Hearing Aids / Q000592:standards*; D006319:Hearing Loss, Sensorineural / Q000503:physiopathology*; D006801:Humans; D008297:Male