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聴覚障害の程度は、医学的にはデシベル · 日本では両耳で70dB以上もしくは患側耳90dB以上かつ健側耳50dB以上になると、身体障害者手帳を交付される。40dB前後を超えると「 ...
Causes. Hearing loss has multiple causes, including ageing, genetics, perinatal problems and acquired causes like noise and disease.
騒音性難聴（そうおんせいなんちょう、Noise-induced hearing loss）とは、強大な音波が慢性的に曝露されることによって、内耳の蝸牛が障害を受けることで生じる感音性 ...
Noise-induced hearing loss (NIHL) is a hearing impairment resulting from exposure to loud sound. People may have a loss of perception of a narrow range of ...
難聴（なんちょう、英語: hard of hearing）とは、聴覚が低下した状態のこと。医学分野で多く使用される表現であり、診断名や聞こえの障害の性質(例:伝音難聴・感音 ...
In medical contexts, the meaning of deafness is hearing loss that precludes a person from understanding spoken language, an audiological condition.
Auditory processing disorder (APD), rarely known as King-Kopetzky syndrome, is a neurodevelopmental disorder affecting the way the brain processes sounds.
Sensorineural hearing loss (SNHL) is a type of hearing loss in which the root cause lies in the inner ear, sensory organ (cochlea and associated structures),
Congenital hearing loss is a hearing loss present at birth. It can include hereditary hearing loss or hearing loss due to other factors.
Spatial hearing loss refers to a form of deafness that is an inability to use spatial cues about where a sound originates from in space.