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There are a variety of prevention strategies available to avoid or reduce hearing loss. Lowering the volume of sound at its source, limiting the time of exposure and physical protection can reduce the impact of excessive noise. [4] If not prevented, hearing loss can be managed through assistive devices and communication strategies.
Hearing loss is a partial or total inability to hear. [5] Hearing loss may be present at birth or acquired at any time afterwards. [6] [7] Hearing loss may occur in one or both ears. [2] In children, hearing problems can affect the ability to acquire spoken language, and in adults it can create difficulties with social interaction and at work. [8]
Since the inner ear is not directly accessible to instruments, identification is by patient report of the symptoms and audiometric testing. Of those who present to their doctor with sensorineural hearing loss, 90% report having diminished hearing, 57% report having a plugged feeling in ear, and 49% report having ringing in ear ().
Otherwise, this effect is often experienced by hearing aid users who only have a mild to moderate high-frequency hearing loss, but use hearing aids which block the entire ear canal. The occlusion effect is also deemed to be a notable source of discomfort to workers wearing shallowly inserted passive occlusion devices such as earplugs. [6] [7]
A cochlear implant can also be used to treat unilateral hearing loss in many countries. The device is surgically implanted in the cochlea of non-hearing ear, with a sound processor worn externally. Using electrical stimulation of the cochlea, sound is sent to the hearing nerve and onto the brain. [14]
And since the inner ear helps with maintaining balance people with hearing loss are 2.4 times more likely to suffer from falls — a danger that hearing aids can prevent by up to 50%.
37M American's have hearing loss. In this guide we explore communication strategies from hearing aids to background noise reduction and lip-reading. 12 Ways to Support Someone With Hearing Loss
Noise-induced hearing loss is a permanent shift in pure-tone thresholds, resulting in sensorineural hearing loss. The severity of a threshold shift is dependent on duration and severity of noise exposure. Noise-induced threshold shifts are seen as a notch on an audiogram from 3000 to 6000 Hz, but most often at 4000 Hz. [16]