選(xuan)配(pei)助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)時最好去(qu)醫(yi)院,對聽(ting)(ting)(ting)(ting)力(li)做(zuo)一(yi)次全(quan)(quan)面檢查,用(yong)電測聽(ting)(ting)(ting)(ting)等(deng)儀器(qi)(qi)(qi)準確地評價出耳聾的(de)(de)程(cheng)度(du),再選(xuan)助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi),如(ru)果(guo)當地沒有相應(ying)條件的(de)(de)醫(yi)院,聽(ting)(ting)(ting)(ting)力(li)損(sun)失(shi)程(cheng)度(du)與助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)功(gong)率(lv)(lv)(lv)的(de)(de)選(xuan)配(pei)可按口語(yu)試驗來估計。例如(ru),聽(ting)(ting)(ting)(ting)不(bu)到(dao)耳語(yu)聲(sheng)的(de)(de)人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)損(sun)失(shi)30~40分(fen)貝(bei),聽(ting)(ting)(ting)(ting)不(bu)到(dao)低(di)小聲(sheng)的(de)(de)人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)損(sun)失(shi)約40~50分(fen)貝(bei),此(ci)時宜(yi)選(xuan)購低(di)功(gong)率(lv)(lv)(lv)及中(zhong)功(gong)率(lv)(lv)(lv)助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi);聽(ting)(ting)(ting)(ting)不(bu)到(dao)普通講話聲(sheng)的(de)(de)人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)損(sun)失(shi)約50~60分(fen)貝(bei),聽(ting)(ting)(ting)(ting)不(bu)到(dao)高聲(sheng)講話的(de)(de)人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)損(sun)失(shi)60~70分(fen)貝(bei),可選(xuan)配(pei)中(zhong)功(gong)率(lv)(lv)(lv)及大(da)功(gong)率(lv)(lv)(lv)型助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi);聽(ting)(ting)(ting)(ting)不(bu)到(dao)大(da)聲(sheng)喊叫(jiao)聲(sheng)的(de)(de)人(ren)(ren)(ren),聽(ting)(ting)(ting)(ting)力(li)損(sun)失(shi)70~80分(fen)貝(bei),選(xuan)用(yong)中(zhong)、大(da)功(gong)率(lv)(lv)(lv)助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi);全(quan)(quan)力(li)喊叫(jiao)聲(sheng)聽(ting)(ting)(ting)(ting)不(bu)到(dao)的(de)(de)人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)損(sun)失(shi)約約80~90分(fen)貝(bei)或更高,可選(xuan)配(pei)大(da)功(gong)率(lv)(lv)(lv)及特大(da)功(gong)率(lv)(lv)(lv)助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)。