This is but one type of genetic deafness. And it is certainly not the majority cause for age related deafness. Progressive is not necessarily something that occurs only in later adult hood, as is age related deafness. Progressive loss can occur anytime from birth forward.
Age-related hearing loss, or presbycusis, is the slow loss of hearing that occurs as people get older.
The following factors contribute to age-related hearing loss:
Family history (age-related hearing loss tends to run in families)
Repeated exposure to loud noises
Smoking (smokers are more likely to have such hearing loss than nonsmokers)
Certain medical conditions and medications also contribute to age-related hearing loss. About half of all people over age 75 have some amount of age-related hearing loss.