This article is a physical description of hearing impairment. See Deaf culture for deafness as seen from a cultural model. A hearing impairment is a decrease in one's ability to hear (i.e. perceive auditory information). It is important to note that the term "hearing-impaired" is considered offensive by many Deaf and hard-of-hearing people, who prefer the two latter terms. Explanation While some cases of hearing loss are reversible with medical treatment, many are permanent. Whether ...
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From the WEST  scientific·clinical

From the EAST  traditional·alternative

... These steps can help you prevent noise-induced hearing loss: Protect your ears in the workplace. Specially designed earmuffs that resemble earphones can protect your ears by bringing most loud sounds ...
Source: MayoClinic