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  2. Audiologists Say These Are the Best Over-The-Counter Hearing Aids

    www.aol.com/audiologists-best-over-counter...

    You can also schedule a one-on-one call with a member of the Sony support team to help fine tune your settings. One downside: these hearing aids are not able to stream phone calls or music.

  3. Sensorineural hearing loss - Wikipedia

    en.wikipedia.org/wiki/Sensorineural_hearing_loss

    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), or the vestibulocochlear nerve (cranial nerve VIII).

  4. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Active noise cancellation makes it possible to listen to audio content without raising the volume excessively. In an aviation environment, noise-cancelling headphones increase the signal-to-noise ratio significantly more than passive noise attenuating headphones or no headphones, making hearing important information such as safety announcements easier. [ 1 ] Noise-cancelling headphones can ...

  5. Visual impairment - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment

    Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception. In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6] The terms low vision and blindness ...

  6. Noise-induced hearing loss - Wikipedia

    en.wikipedia.org/wiki/Noise-induced_hearing_loss

    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 frequencies or impaired perception of sound including sensitivity to sound or ringing in the ears. [1] When exposure to hazards such as noise occur at work and is associated with hearing loss ...

  7. Talk:Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Talk:Noise-cancelling...

    The performance of noise cancelling headphones is heavily dependent on the efficiency of the noise cancelling filter circuit that sits between the noise detection microphone (usually positioned on the outside of the ear cup) and the speaker driver which generates the required ‘anti-noise’ wave.

  8. Hearing loss - Wikipedia

    en.wikipedia.org/wiki/Hearing_loss

    Hearing loss is defined as diminished acuity to sounds which would otherwise be heard normally. [15] The terms hearing impaired or hard of hearing are usually reserved for people who have relative inability to hear sound in the speech frequencies. Hearing loss occurs when sound waves enter the ears and damage the sensitive tissues [21] The severity of hearing loss is categorized according to ...

  9. Usher syndrome - Wikipedia

    en.wikipedia.org/wiki/Usher_syndrome

    Usher syndrome is characterized by hearing loss and a gradual visual impairment. The hearing loss is caused by a defective inner ear, whereas the vision loss results from retinitis pigmentosa (RP), a degeneration of the retinal cells. Usually, the rod cells of the retina are affected first, leading to early night blindness (nyctalopia) and the ...

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