Rivenoak, when I googled for your son’s hearing aids technical specifications, I found two links:
Oticon Tego Hearing Aids - Hearing Instruments at Discount Prices - HearingPlanet
http://www.oticon.ca/professionals/.../~asset/cache.ashx?id=1930&type=14&format=web
BTW, most children are prescribed BTE hearing aids. When reading the above two links I made the assumption that you son was, like most children, prescribed BTE aids.
Per the first link, Oticon Tego has 4 programming channels and per the 2nd link Oticon TEgo has the 4 programming channels grouped into 3 channels and they are:
second link said:
Tego are gathered in
3 channels: LF, MF and HF channels for
low (0-500 Hz),
medium (500-1600 Hz)
and high (1600-5900 Hz) frequencies
I did not see what the actual 4 channels are, but I was reading fast and I may have missed it.
My understanding is that each channel can have the volume gain and compression set separately.
Per your son’s audiogram, he appears to have an unusual graph for his right ear. The most common type of hearing loss is a sloping loss. Most people with hearing loss hear better in the lower pitches and the hearing loss increases as the pitch rises. However, your son’s hearing loss in his right ear does not do this. As per his audiogram, his hearing improves again as the frequency rises and only then becomes the typical sloping loss. The shape of his audiogram appears to be almost a “reverse cookie bite” hearing loss. Because of the:
* unusual shape of his audiogram
* it slopes off more steeply at the last two higher frequency points measured
* and because he doesn’t feel comfortable wearing his right hearing aid
I would ask the audiologist to also measure his hearing at the frequencies at the dotted mark lines -- that would be 3 more measurements. I’d say more, but I can’t read the numbers on the audiogram. Its not coming up clearly enough on my monitor. But it does look like she opted to measure his loss starting at 500 Hz and stop measuring his loss at 4000 Hz. If so, I would ask her to measure his loss at 250 Hz and 6000 Hz also. And again, because his loss has an usual shape, it slopes steeply, and because of the discomfort he has expressed I would also ask her to measure it at 5000 Hz. That would be an additional 3 measurements for a total of 6 more measurements.
Ask her if she programmed his hearing aids using the HA manufacturer’s 3 channel or 4 channel grouping.
And I would ask her to test his recruitment (MCL and especially the UCL test) using the pure tone test at each of the frequencies where his hearing loss was measured. MCL and UCL is usually tested with speech not pure tones -- but that is probably not the best approach. (More on this at the end.)
Putting it all together, it is possible that the audiologist may not have enough flexibility in the hearing aid manufacturer’s program to set the hearing aid to be comfortable for your son in his right ear. If that is the case than a necc. compromise may be to give him less gain. He may end up not getting all the gain he needs, but than again he won’t be getting pain from the hearing aid because he is getting too much volume where he hears better. For his next pair of hearing aids, perhaps he can get one for his right ear that will allow for program settings that will fit his actual hearing loss.
I would ask her about this. Try to see if she can show you how the programmed gain complements his audiogram.
Please keep in mind that this is just a guess based on very limited information. It may be something else entirely.
( BTW, 4 channels are not that many channels. My current HAs has 4 channels. I’ve had a lot of trouble financially over the past 10 years and my current pair of HAs are not as good in quiet situations as the pair of hearing aids I had purchased in 2002. It has fewer channels and more distortion and I can tell that I’m not hearing as well in quiet in 2011 as I did in 2002, and it’s not because of additional hearing loss. It’s because of the technology that I have available to me. On the other hand, my current pair of hearing aids does handle noise better.)
Anyway, moving on to VC and telecoils. The second link said that VC and telecoil were optional for BTE HAs. If you don’t have them on his current HAs, I would ask to have them added in. I think they can do that at the factory. I would also ask the audiologist if it would be possible to get the telecoil, but without the auto feature. My concern is that if he happens to go into a strong electro magnetic field it would turn on when he doesn’t want them to. That might be uncomfortable for him because he may hear buzzing sounds. Also, telecoil programs are sometimes set with different gains than other programs and that may affect his comfort also.
I live in NYC, and I’m constantly walking into strong electromagnetic fields. I’ve been told that even some refrigerators and overhead fluorescent lights(the kind found in offices and schools) can create a strong electromagetic field!. So ... I think that I would want the option to at least be able to override the auto feature.
Anybody else have an opinion on this? I admit that I have never tried that feature. I still have nightmares over that time I got sold a pair of hearing aids without VC.
FWIW, I’m inclined to trust your son. If he says that his HA is uncomfortable, I believe him! He’s 6 years old -- most 6 year olds just want to be play with the other kids in their class, right? If the HAs were helping him do that without discomfort, I’ve no doubt he would wear them without protest.
I have to say this brings back memories of my grade school days when I was expected to wear a hearing aid whose setting hurt my ears.
Not fun.
I have more suggestions but I don’t want to run afoul of the M.A.
Feel free to “circle” me at Google+ My account is set up under Jazz Berry. Or PM me your e-mail address and I’ll email you what I will be posting at my Google+ account later tonight.