There is a moment people describe almost identically. The hearing aids are in, the batteries are fresh, the settings were adjusted only a few months ago, and still the voice across the kitchen table arrives as noise with a shape. So the audiologist turns the gain up again. It gets louder. It does not get clearer.
That gap between louder and clearer is the most useful thing to understand about hearing in later life. It is also the point at which a completely different conversation should begin, and for a great many people in Ireland it never does.
TL;DR
- Hearing aids make sound louder; a cochlear implant bypasses the damaged hair cells in the inner ear and stimulates the hearing nerve directly, which is why “turn them up” eventually stops working.
- Ireland’s national cochlear implant programme runs from Beaumont Hospital in Dublin, is publicly funded and free to eligible patients, and has been operating since 1995.
- The HSE publishes its own waiting times: 9 months to a year for an adult’s first appointment, then up to 2 years to 2 years 6 months from that appointment to surgery.
- Age is not a barrier. A February 2026 systematic review of 16 studies covering 842 adults aged 60 and over concluded that chronological age itself does not appear to be a major constraint on the benefit people get.
- Duration of deafness is. The longer the hearing nerve goes without meaningful input, the poorer the speech recognition tends to be afterwards, which is why getting assessed early matters more than most people are told.
Louder is not the same as clearer
A hearing aid is an amplifier with a good deal of clever processing attached. It takes sound from the world and delivers a bigger version of it to your inner ear, where thousands of microscopic hair cells convert that movement into electrical signals for the hearing nerve.
The arrangement works beautifully right up until the hair cells themselves are too damaged to do the converting. After that, amplification has nothing useful to work with. As the HSE puts it, if the hair cells in the inner ear do not work, even loud sounds cannot be turned into electrical signals and sent to the brain. What you get instead is volume without definition: speech that is unmistakably present and still unintelligible, particularly in a café, a church, or a room with more than two people talking.
A cochlear implant solves a different problem. An electrode array is placed inside the cochlea and takes over the job the hair cells can no longer do, converting sound into an electrical response that stimulates the hearing nerve directly. It is not a better hearing aid. It is a different route to the same destination.
The referral rule of thumb almost nobody applies
The single commonest reason adults do not have implants is that nobody ever suggested they might qualify. The American Cochlear Implant Alliance estimates that only 5% of US adults who could benefit from an implant have one, and that the average primary care practice has roughly eight patients on its list who would benefit. Ireland has no published equivalent audit, and there is no particular reason to assume we do better.
Audiologists internationally use a screening shortcut known as the 60/60 guideline, developed by Zwolan and colleagues and published in 2020 from a review of 529 adults who had been through candidacy assessment. In plain terms: if unaided hearing sits at about 60 dB HL or worse and word recognition is below roughly 60%, the person should be sent on for a full assessment. It detected 96% of adults who went on to meet traditional implant criteria, at the cost of a 34% false positive rate. That imbalance is deliberate. It is a net, not a verdict.
Ireland does not publish a single national numeric threshold of that kind. Suitability here is decided by assessment at Beaumont, across all age groups, which means it is not something you can rule yourself in or out of at home.
“You’d be too old for that” is not a clinical finding
It is, however, something people are still told, sometimes by family and occasionally by clinicians who have not looked at the evidence lately.
A systematic review published in February 2026 pooled 16 studies covering 842 adults aged 60 and over with age-related hearing loss, following them for anything from one month to ten years after implantation. Hearing-specific quality of life measures picked up consistent gains, particularly in sound perception and in the social domains: conversation, participation, feeling part of what is going on. Broader general health questionnaires showed a slower signal, typically becoming statistically visible around six months after surgery, and mainly in sensory ability, social participation and mental health.
Two honest caveats. The studies are observational, and most carried at least a moderate risk of bias, with about a third judged seriously biased. And physical functioning barely shifts, which is exactly what you would expect. An implant is a hearing and social participation intervention. It will not improve your knees.
The reviewers’ conclusion is the line worth carrying into a GP appointment: chronological age itself does not appear to be a major constraint on the benefit. Studies included recipients in their eighties and nineties. Beaumont’s own programme has assessed people from a few months old to 80 and beyond since it began.
The Irish pathway, and the arithmetic nobody says out loud
Ireland has one national programme, founded in 1995 by Professor Laura Viani and based at Beaumont Hospital, now operating alongside the National Hearing Implant and Viani Research Centre. It was carrying out more than 200 implants a year as of 2019, across children and adults. Assessment, surgery, the processors and all the follow-up are publicly funded.
Referral can come from your GP, your public health nurse, your audiologist or an ENT consultant. Then the published HSE waiting times apply:
- 9 months to 1 year for an adult’s first clinical appointment.
- 2 years to 2 years 6 months between that first appointment and surgery.
Add those together and an adult referred today is looking at something in the region of three to three and a half years before the operation. Switch-on comes 2 to 4 weeks after surgery, followed by months of tuning appointments and speech and language therapy.
Why the wait is not neutral
This is the part that changes how you should think about the timing. Duration of deafness is one of the strongest predictors of how well an implant will work. The hearing pathway does not simply idle while it waits for input; prolonged auditory deprivation affects the health and function of the system that the implant will eventually be speaking to. Across the research, duration of deafness and pre-operative speech scores track post-operative outcomes more closely than age at implantation does.
Put those two facts side by side and the uncomfortable implication is clear. A three-year pathway spends the very resource that determines how well the device performs. That is not an argument for despair. It is an argument against the most common decision people make at this point, which is to give the hearing aids one more year and see.
What to do while you wait
- Ask the specific question. At your next audiology appointment, the useful phrasing is not “can these be turned up?” but “am I still getting adequate benefit from these, and should I be assessed for an implant?”
- Get the aids properly optimised. A real ear measurement and aided speech testing in background noise tell you far more than “how does that sound to you?”
- Use the technology around the aid. Remote microphones, TV streamers, telephone amplification and hearing loops do work that no amount of extra gain can.
- Contact Chime. The national charity for deafness and hearing loss runs resource centres around the country and can help with technology, advocacy and communication support.
- Check your PRSI Treatment Benefit entitlement, which contributes towards hearing aids and repairs for most people with the required contributions.
What switch-on is actually like
Surgery takes roughly two to four hours and involves at least one night in hospital. The external processor is fitted and switched on two to four weeks later.
That first day rarely sounds like hearing. People commonly describe something robotic, tinny or cartoonish, and it can be a deflating afternoon if nobody warned you. The brain then relearns how to interpret the new signal over weeks and months, supported by repeated mapping appointments with the audiologist and sessions with a speech and language therapist. The surgery is the short part. The rehabilitation is the work, which is precisely why motivation and a good support network are treated as part of candidacy rather than as a formality.
The conversation worth starting
If you have worn hearing aids for years, had them adjusted repeatedly, and still cannot follow your family in a busy room, that is not a personal failing and it is not simply what getting older sounds like. It is a clinical finding, and there is a national programme for it.
Given the length of the pathway, the most valuable thing you can do is start it. At Críonna Health we write about ageing well in an Irish context precisely because so much of it turns on knowing which door exists and asking for it by name.
This article is for general information and is not a substitute for individual medical advice. Talk to your GP or audiologist about your own hearing.
