The Clinical Effect of the FM-BTE (Behind-the-ear) Hearing Aid
1996 Volume 39 Issue 1 Pages 55-59
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1996 Volume 39 Issue 1 Pages 55-59
FM hearing aid is useful in school education, however, as it is a box type, many users have trouble to move around with the hearing aid which picks up noise of clothes rustling.
Through clinical testing, I found the FM-BTE system very effective not only for school children but also for adults.
Patient I was a 16-year-old boy who has severe sensorineural hearing loss in both ears. Speech reception threshold with the former hearing aid was 61% in 5 meters from the speaker, and 25% in 10 meters. With the FM-BTE hearing aid system, the results were 86%, and 85%, respectively.
