選(xuan)配(pei)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)時(shi)最(zui)好去醫(yi)院，對聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)做一次全(quan)面檢查，用電測(ce)聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)等儀器(qi)(qi)準確地(di)評(ping)價(jia)出耳聾的(de)(de)程(cheng)度，再(zai)選(xuan)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)，如(ru)果(guo)當地(di)沒有相應條件的(de)(de)醫(yi)院，聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失(shi)(shi)程(cheng)度與助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)功(gong)率的(de)(de)選(xuan)配(pei)可(ke)按口語(yu)試驗來估(gu)計。例(li)如(ru)，聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到耳語(yu)聲(sheng)的(de)(de)人聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失(shi)(shi)30～40分(fen)貝(bei)(bei)，聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到低小聲(sheng)的(de)(de)人聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失(shi)(shi)約40～50分(fen)貝(bei)(bei)，此時(shi)宜選(xuan)購低功(gong)率及中(zhong)(zhong)功(gong)率助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)；聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到普通講話(hua)聲(sheng)的(de)(de)人聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失(shi)(shi)約50～60分(fen)貝(bei)(bei)，聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到高(gao)聲(sheng)講話(hua)的(de)(de)人聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失(shi)(shi)60～70分(fen)貝(bei)(bei)，可(ke)選(xuan)配(pei)中(zhong)(zhong)功(gong)率及大功(gong)率型助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)；聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到大聲(sheng)喊叫聲(sheng)的(de)(de)人，聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失(shi)(shi)70～80分(fen)貝(bei)(bei)，選(xuan)用中(zhong)(zhong)、大功(gong)率助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)；全(quan)力(li)(li)(li)喊叫聲(sheng)聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到的(de)(de)人聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失(shi)(shi)約約80～90分(fen)貝(bei)(bei)或(huo)更高(gao)，可(ke)選(xuan)配(pei)大功(gong)率及特(te)大功(gong)率助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)。