選(xuan)配助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)時最好(hao)去醫院,對聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)做一次(ci)全面檢(jian)查,用電測聽(ting)(ting)(ting)(ting)(ting)(ting)等儀器(qi)(qi)(qi)準確地評價出耳聾的程度(du),再選(xuan)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi),如果當地沒有相應條件的醫院,聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)程度(du)與(yu)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)功(gong)(gong)率(lv)(lv)的選(xuan)配可(ke)按口語試驗(yan)來估計(ji)。例如,聽(ting)(ting)(ting)(ting)(ting)(ting)不到耳語聲的人(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)30~40分貝(bei),聽(ting)(ting)(ting)(ting)(ting)(ting)不到低小聲的人(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)約(yue)40~50分貝(bei),此時宜(yi)選(xuan)購低功(gong)(gong)率(lv)(lv)及中(zhong)功(gong)(gong)率(lv)(lv)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi);聽(ting)(ting)(ting)(ting)(ting)(ting)不到普通(tong)講話(hua)聲的人(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)約(yue)50~60分貝(bei),聽(ting)(ting)(ting)(ting)(ting)(ting)不到高聲講話(hua)的人(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)60~70分貝(bei),可(ke)選(xuan)配中(zhong)功(gong)(gong)率(lv)(lv)及大功(gong)(gong)率(lv)(lv)型助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi);聽(ting)(ting)(ting)(ting)(ting)(ting)不到大聲喊叫(jiao)(jiao)聲的人(ren)(ren),聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)70~80分貝(bei),選(xuan)用中(zhong)、大功(gong)(gong)率(lv)(lv)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi);全力(li)(li)喊叫(jiao)(jiao)聲聽(ting)(ting)(ting)(ting)(ting)(ting)不到的人(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)約(yue)約(yue)80~90分貝(bei)或更高,可(ke)選(xuan)配大功(gong)(gong)率(lv)(lv)及特大功(gong)(gong)率(lv)(lv)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)。