老年性耳聋一般认为是由于年龄增长,全身器官特别是听觉器官逐步老化的结果。因此,老年人出现听力减退也就被认为是天经地义的事情。然而事实并非如此。也就是说,老年性耳聋的原因并非皆因衰老。在现实生活中,耳聋的显现年龄和进展速度,各人差异很大。有的人年富力强却两耳发背,听力明显减退;有的人年逾古稀听力却还蛮好。流行病学调查发现,所谓老年性耳聋的人群分布有这样的特点:城市发病 Senile deafness is generally considered to be due to aging, the whole body organs, especially the gradual aging of the auditory organs results. Therefore, hearing loss in the elderly is also considered a matter of course. However, it is not. In other words, senile deafness is not all due to aging. In real life, the apparent age of deafness and the pace of progress vary greatly from person to person. Some people are prime of life with both ears and back, their hearing is obviously diminished; while others are quite old and weak in hearing. Epidemiological survey found that the so-called senile deafness population distribution has such characteristics: urban disease