芒果视频下载

選(xuan)配(pei)助聽(ting)(ting)(ting)(ting)器(qi)(qi)時(shi)最好去(qu)醫(yi)院(yuan)，對聽(ting)(ting)(ting)(ting)力(li)(li)做一次全面檢查，用(yong)電(dian)測(ce)聽(ting)(ting)(ting)(ting)等儀器(qi)(qi)準確地(di)評價出耳聾的(de)(de)(de)程(cheng)度(du)，再(zai)選(xuan)助聽(ting)(ting)(ting)(ting)器(qi)(qi)，如果當地(di)沒有(you)相應條件(jian)的(de)(de)(de)醫(yi)院(yuan)，聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)失程(cheng)度(du)與助聽(ting)(ting)(ting)(ting)器(qi)(qi)功(gong)率(lv)(lv)(lv)的(de)(de)(de)選(xuan)配(pei)可(ke)按口語試(shi)驗來(lai)估計(ji)。例如，聽(ting)(ting)(ting)(ting)不到(dao)耳語聲(sheng)(sheng)的(de)(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)失30～40分(fen)貝(bei)(bei)，聽(ting)(ting)(ting)(ting)不到(dao)低小(xiao)聲(sheng)(sheng)的(de)(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)失約(yue)40～50分(fen)貝(bei)(bei)，此(ci)時(shi)宜選(xuan)購(gou)低功(gong)率(lv)(lv)(lv)及中(zhong)功(gong)率(lv)(lv)(lv)助聽(ting)(ting)(ting)(ting)器(qi)(qi)；聽(ting)(ting)(ting)(ting)不到(dao)普通講話聲(sheng)(sheng)的(de)(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)失約(yue)50～60分(fen)貝(bei)(bei)，聽(ting)(ting)(ting)(ting)不到(dao)高聲(sheng)(sheng)講話的(de)(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)失60～70分(fen)貝(bei)(bei)，可(ke)選(xuan)配(pei)中(zhong)功(gong)率(lv)(lv)(lv)及大(da)功(gong)率(lv)(lv)(lv)型助聽(ting)(ting)(ting)(ting)器(qi)(qi)；聽(ting)(ting)(ting)(ting)不到(dao)大(da)聲(sheng)(sheng)喊叫聲(sheng)(sheng)的(de)(de)(de)人(ren)(ren)，聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)失70～80分(fen)貝(bei)(bei)，選(xuan)用(yong)中(zhong)、大(da)功(gong)率(lv)(lv)(lv)助聽(ting)(ting)(ting)(ting)器(qi)(qi)；全力(li)(li)喊叫聲(sheng)(sheng)聽(ting)(ting)(ting)(ting)不到(dao)的(de)(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)失約(yue)約(yue)80～90分(fen)貝(bei)(bei)或更高，可(ke)選(xuan)配(pei)大(da)功(gong)率(lv)(lv)(lv)及特(te)大(da)功(gong)率(lv)(lv)(lv)助聽(ting)(ting)(ting)(ting)器(qi)(qi)。