unlike other forms of hearing loss such as noise-induced hearing loss it is a normal part of aging. even though it occurs naturally, there are factors that can make it worse and make it happen earlier in life. presbycusis is usually a form of sensorineural hearing loss, which means that it is due to problems in the inner ear or the hearing nerve due to loss or damage to the hair cells that line the inner ear. the most common causes of sensorineural hearing loss are exposure to loud noise for long periods of time as well as some diseases.