Hearing Loss: It occurs due to daily exposure to excessive noise in the work place, by continous receiving of phone calls , listening music in large volume, all the time using the earphone etc. It can be by birth or due to exposure to the noisy environment. One can get hearing loss problem on one ear only or in both the ears. Hearing loss can lead to deafness.
Hearing Aid: Hearing aid is a small electronic device that can be wore either in or behind the ear.It makes the sounds a bit louder so that after wearing a person can participate in daily activities.It can help people in both quiet and noisy situations. It consists of three parts: a microphone, amplifier and a speaker.The amplifier increases the power of the signals and then sends them to the ear through a speaker.
