What is the definition of hearing impaired?
Hearing impairment is the full or partial loss of hearing ability in one’s ear, or in both ears. The condition is brought about by biological factors, such as aging, or by one’s environment.TypesHearing loss is divided into categories depending on the severity of the condition. Moderate hearing loss is defined as a loss of between 41 and 55 decibels. Moderately severe hearing loss is a loss of between 56 and 70 decibels. Severe hearing loss is a loss of between 71 and 90 decibels.CausesAging and the weakening of the inner ear’s sensitivity are the primary causes of hearing loss. The condition is also commonly caused by frequent exposure to unhealthy amounts of noise. For example, people who work on airport runways wear ear muffs to prevent hearing loss.Unilateral LossThis is defined as the loss of hearing in one ear, as opposed to both ears. Those affected often cannot properly distinguish noise directions or background noise.DeafnessDeafness is considered to be a different condition f