1. Noise-induced deafness: The degree of deafness is mainly related to noise intensity and exposure time, and secondly, it is also related to noise spectrum and individual differences.
4. Senile deafness: tinnitus and dizziness, auditory inattention, loud speaking, and often increase the volume when watching TV or listening to the radio.
6. Accustomed treatment: a new high-tech platform for clinical diagnosis that integrates the diagnosis and treatment of tinnitus and deafness, patient management and consultation.
* The average hearing loss is 71～90dB. It can feel loud to loud sounds, but cannot distinguish speech sounds, which can lead to language barriers.