Here is an excellent collection of information on how to get help for medical services not covered by Medicare. Dental, Vision, and Hearing: Where to Go for Services Medicare Won’t Cover
hearing loss
This is the first time I’ve seen this word – Presbycusis. Well I guess it will come to all of us, it is hearing loss that occurs with age. Here are some links with information: Presbycusis is hearing loss associated with aging Information on age-related hearing loss from MedlinePlus