Human ear and hearing loss - Before understanding hearing loss, we should know a little about our ears. The diagram of the human ear is given below which is self explanatory to understand the hearloss further. Types of hearing loss Hearing loss increases as our age increases are called Presbycusis which is the common reason. Generally, we can classify hearing loss in 3 ways as given below: 1. Conductive hearing loss is related to the outer or middle ear. 2. Sensorineural is related to the inner ear. 3. Mixed hearing loss combines Conductive and Sensorineural hearing loss. What are hearing aids? Hearing aids are small devices to keep inside and behind  the ear to enhance the listening power of a person who has hearing problems. They are working on chargeable or non rechargeable small size batteries which are supplied with the hearing aid device and easily available in the market and online e-commerce platform.  How does a hearing aid work? It is an electronic device,