Most Hearing loss is acquired through recreational and workplace noise, illness, medications and as part of the process of ageing. Sudden sensorineural hearing loss (SSHL), commonly known as sudden deafness, is an unexplained, rapid loss of hearing either all at once or over a few days.
Sudden DeafnessHearing aids in Australia will always be more expensive than some locations like USA or Europe, however that is no reason to pay up to $4000 more for a pair of aids.
Buying a hearing aid for your parents