Abstract
Suitable hearing amplification in hearing- impaired students is essential to improve learning process. The main purpose of this ( a descriptive- analytic and a cross-sectional) study is to access to the exact statistical data of hearing aids and ear molds, the onset age of hard of hearing and the age of receiving hearing aids in hearingimpaired students of Ahvaz Rudaki deaf school. Furthermore, the researchers questioned the parents to find out the probable causes of hearing aid non-usage. In this investigation the researchers evaluated hearing aids, ear molds and the usefulness of hearing aids of the all students at Ahvaz Rudaki deaf school. Out of a total number of 66 students, 48 students (sixty-two hearing aids) were evaluated. Totally 21 hearing aids (33.8 percent) and 22 ear molds (35.48 percent) had problems. In defective hearing aids, hearing aid sound offset (52.38%) was the major problem. There was a statistical difference in hearing threshold, before and after using a hearing aid (p<0.05). Unsatisfactory of student and loud sound of hearing aid were two main reasons of non-using of hearing aid among children. An appropriate setting for hearing aid and making a good ear mold, can help the children that are hard of hearing to attain a desired hearing. So monitoring of hearing aid function and ear molds condition in hearing impaired students is highly recommended.
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© 2013, Jentashapir Journal of Cellular and Molecular Biology. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.