Hearing aids are the primary tool for hearing loss and are also very effective aids. However, there are many reasons for hearing loss, and only a part of the hearing aid is needed. Senile deafness is the main application of hearing aids. If you have hearing loss, you should first go to the hospital as soon as possible to do a comprehensive otology and audiology examination to find out the cause. For example, most of the sudden deafness can be cured; the hearing loss of the plane can also be cured during the cold; some hearing loss must be treated surgically; the most common secretory otitis media in children can also be cured;

There are many more. Hearing aids are only recommended by doctors when hearing loss that cannot be handled medically. And the hearing aid must be selected by a professional fitter.
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