Common sense of hearing aids: instructions for people with inappropriate hearing aids
People who are not suitable for hearing aids are:
1. According to the calculation of the average loss of language frequency of pure tone audiogram, those with a loss of 0 ~ 30dB do not need to use hearing aids (normal range of hearing loss);
2. Sudden deafness, especially in patients within three months;
3. Tinnitus, unilateral or bilateral;
4. People with rapid progressive hearing loss;
5. People with obvious binaural hearing asymmetry for unknown reasons.