Medical equipment used to treat hearing loss includes hearing aids. The capacity of hearing aids to tune channels or frequency ranges largely determines their technological complexity and price.
According to the hearing impairment, an audiologist adjusts the frequency response of the hearing aid. Less than 25% of Americans who have hearing loss, however, use hearing aids, and there are a number of reasons for this. The cost of hearing aids is high, they are sometimes not covered by health insurance, and they necessitate frequent audiologist and otolaryngologist appointments. Another reason why people avoid wearing hearing aids is a social shame.
Personal sound amplification products (PSAPs), which are not medical equipment and are used to amplify sounds, are devices of this type. These can have discretely built headphones or earbuds and are advertised as low-cost alternatives to hearing aids. These gadgets can be used to block out background noise in space while watching television at night, or for leisure pursuits like birdwatching. To learn how PSAPs and hearing aids differ from one another, consult this helpful guide from the US Food and Drug Administration.
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