選(xuan)配(pei)(pei)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)時最好去醫院,對聽(ting)(ting)(ting)(ting)力(li)(li)做一次(ci)全面檢(jian)查(cha),用(yong)電測(ce)聽(ting)(ting)(ting)(ting)等儀器(qi)(qi)準確地(di)評價出耳聾的(de)程(cheng)度,再選(xuan)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi),如果當地(di)沒有相應條件的(de)醫院,聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)程(cheng)度與助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)功(gong)(gong)率(lv)的(de)選(xuan)配(pei)(pei)可(ke)按口語試驗來估計。例如,聽(ting)(ting)(ting)(ting)不到(dao)耳語聲的(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)30~40分(fen)貝(bei),聽(ting)(ting)(ting)(ting)不到(dao)低(di)小(xiao)聲的(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)約(yue)40~50分(fen)貝(bei),此時宜選(xuan)購低(di)功(gong)(gong)率(lv)及中功(gong)(gong)率(lv)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi);聽(ting)(ting)(ting)(ting)不到(dao)普(pu)通講話(hua)聲的(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)約(yue)50~60分(fen)貝(bei),聽(ting)(ting)(ting)(ting)不到(dao)高聲講話(hua)的(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)60~70分(fen)貝(bei),可(ke)選(xuan)配(pei)(pei)中功(gong)(gong)率(lv)及大功(gong)(gong)率(lv)型助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi);聽(ting)(ting)(ting)(ting)不到(dao)大聲喊叫聲的(de)人(ren),聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)70~80分(fen)貝(bei),選(xuan)用(yong)中、大功(gong)(gong)率(lv)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi);全力(li)(li)喊叫聲聽(ting)(ting)(ting)(ting)不到(dao)的(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)約(yue)約(yue)80~90分(fen)貝(bei)或更高,可(ke)選(xuan)配(pei)(pei)大功(gong)(gong)率(lv)及特大功(gong)(gong)率(lv)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)。