Buying hearing aids without fitting will “get deaf as you wear them”

李老师退休以后发现自己有点耳背,就在某商场买了一对价值六千多元的Hearing aid.But after using it for a few months, she didn’t want to wear it anymore, “I can’t bear the loud voice, and the voice is low and inaudible.” At the end of the examination, the doctor found that her hearing was not only unprotected, but further deteriorated.

对此,中国产高级助听器验配师吴表示,听力有障碍的人应在购买助听器之前检查听力,根据听力损失程度进行验配,否则可能“越戴越聋”。科学地选配Hearing aid, Should include hearing check, hearing aid selection, computer debugging of hearing aids, etc., which must be operated by a professional fitting professional at a professional fitting point.In fact, the fitting of hearing aids is just like fitting glasses. Inappropriate glasses can cause vision loss.

耳聋主要分为传导性耳聋和神经性耳聋。吴介绍,“事实上绝大部分耳聋是不会好转的,而且可能逐渐向更坏的方向发展。戴助听器能够更好地保护人的残余听力,尤其是双耳都有耳聋症状的人,通过双耳选配Hearing aid,助听器清楚饱满自然的音质,能够避免听力剥夺,防止一侧言语分辨率下降和听力衰退;其次,双耳选配更容易定位声音,有利于抑制耳鸣,缩短助听器适应期。”

正确选配助听器,除了保护残余听力,还有利于抑制耳鸣。吴表示,在科学验配助听器的人中,50%左右的人发现耳鸣症状得到了减轻,其中20%的人甚至觉得耳鸣症状完全消失。

那么,老年人应该如何选择助听器呢?专家介绍,选择助听器要考虑听力损失的程度以及手指灵活程度、视力因素等,每种助听器类型都有其适配范围。

选配助听器要根据老年人的情况:

(一)老年人外耳道扩约(肌、皮肤)开始萎缩、松弛,建议选耳背机;如为了美观或其它,可选耳道机,不宜选深耳道机。

(二)老年性耳聋典型的听力曲线为高频听力下降明显,呈徒(陡)降型或缓降型,中低频听力尚可。伴高调性耳鸣或博动性耳鸣。老年性耳聋语言分辨率差,声音定向差。

(三)人的听力减退,30-40岁出现,50-60岁加剧,60-75岁时达到最 高点,75-90岁人的听力又稳定。老年人选配助听器功率应偏大一些,为听力变化、调试留有余地。

(四)老年人听力下降,视力也会下降,手和躯体的反应迟缓,选配助听器时,助听器的“开关、音量调节键、功能键”要便于老年人识辨、操作,最好选高档助听器,操作越简单越好。

(五)老年人选配助听器不是选牌子、价格,关键是适合、性能好的助听器。

Link:      Buying hearing aids without fitting will "get deaf as you wear them"

REF: Hearing AidsBluetooth Hearing AidsHearing Aids Types
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