選配助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)時最好去(qu)醫院,對(dui)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)做一次全面檢查(cha),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(de)程(cheng)度,再選助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi),如(ru)(ru)果當(dang)地沒有相應條件的(de)醫院,聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)程(cheng)度與助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)功(gong)率(lv)的(de)選配可(ke)(ke)按(an)口語試(shi)驗來估(gu)計。例如(ru)(ru),聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)耳語聲(sheng)(sheng)的(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)30~40分(fen)(fen)貝,聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)低(di)小聲(sheng)(sheng)的(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)約40~50分(fen)(fen)貝,此時宜選購低(di)功(gong)率(lv)及中功(gong)率(lv)助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi);聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)普(pu)通(tong)講話(hua)聲(sheng)(sheng)的(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)約50~60分(fen)(fen)貝,聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)高(gao)聲(sheng)(sheng)講話(hua)的(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)60~70分(fen)(fen)貝,可(ke)(ke)選配中功(gong)率(lv)及大(da)(da)功(gong)率(lv)型(xing)助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi);聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)大(da)(da)聲(sheng)(sheng)喊叫聲(sheng)(sheng)的(de)人(ren),聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)70~80分(fen)(fen)貝,選用中、大(da)(da)功(gong)率(lv)助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi);全力(li)(li)喊叫聲(sheng)(sheng)聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)的(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)約約80~90分(fen)(fen)貝或更(geng)高(gao),可(ke)(ke)選配大(da)(da)功(gong)率(lv)及特大(da)(da)功(gong)率(lv)助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)。