A hearing aid is a device that amplifies sound to assist people with hearing loss to hear better. Hearing aids are recognised as medical devices.
Hearing aids are not suitable for everyone who suffers from a hearing loss. However, just 1 in 5 persons who could benefit from them do so. They're usually for folks who have problems with their inner ear or the nerve that connects the ear to the brain. The following factors can cause harm:
•Disease
• Aging
• Disturbing sounds
• Medications