第一避噪音如果老年人较长时间接触噪音,会使本来开始衰退的听觉更容易疲劳,内耳的微细血管常处痉挛状态,使内耳供血不足,听力就会迅速减退,甚至发生噪音性耳聋。所以,老年人应尽量减少噪音对听力的干扰。第二戒挖耳老年人喜欢用耳勺、火柴棒等挖耳朵。这样做容易碰伤耳道引起 The first anti-noise If the elderly a long time exposure to noise, will have begun to recession hearing more easily fatigue, the inner ear of the fine blood vessels often spasticity, so that lack of blood supply to the inner ear, hearing will quickly decline, and even noise deafness. Therefore, the elderly should try to reduce the interference of noise on hearing. Second ring dug ear The elderly like to use earplugs, match sticks and other digging ears. This easy to bump ear canal caused