A hearing aid is a tool made to improve hearing by causing audio audible to a person with hearing loss. Hearing aids are categorized as medical devices in most countries.

Hearing aids are used for a variety of pathologies including sensorineural hearing loss, conductive hearing loss, and single-sided deafness.

The amount of benefit experienced by an individual of the hearing aid is multi-factorial, depending on the type, severity, and etiology of the hearing loss.

Hearing Aids