Hearing loss can also be a hearing impairment that happens when a person has a problem in one or more parts of his ear or ears. The word “Impairment” means that something is not working correctly. Someone with hearing loss is not able to hear the sound from one or both ears. Hearing loss can reduce the ability to hear sound. At the age of children, hearing loss may affect the ability to speak anything. A hearing loss disease can be from birth, or it can be developed later in life.