Invisible Hearing Aids

hearing aid styles invisible

Invisible hearing aids, as the name suggests, are not visible to the eye. They are hidden deep in the ear canal and, like most hearing aids, there are a number of styles or variations to invisible hearing aids. They have a variety of names such as ‘invisible-in-the-Canal’ (IIC), contact lenses for the ear, extended wear hearing aids. These are custom made hearing devices, which generally means an impression of your ear is required to fit them, (not all require an impression of your ear). They sit deep down your ear canal so the procedure to take the impression can sometimes be a little uncomfortable, but your Hearing Healthcare Professional will take you through the process so you know what to expect.

Invisible hearing aids provide different advantages to other styles, such as:

  • The natural resonant frequency of your ear (individual to every person) is preserved as the microphone sits deep in the ear canal.
  • You retain your innate localisation abilities due to the positioning of the hearing aid
  • The invisibility of the hearing aid – its ‘cosmetic’ appeal – means no one has to know your hearing levels aren’t what they used to be.

Not all ears and hearing levels suit invisible hearing aids so it’s worthwhile to investigate what’s out there and whether an invisible hearing aid would suit you.

How do invisible hearing aids work?

Technology

Invisible hearing aids sit deep within the ear canal, so the technology that makes them work is very small. Each manufacturer will use their own particular technology but some common factors include:

  • Small battery (size 10), that requires changing every 4 – 7 days (except the Lyric hearing aid)
  • Removal handle – thin fishing wire to allow for easy removal
  • Wireless technology (for some IICs cab stream with Bluetooth through accessory devices)

    Invisible Hearing Aids Sitting In The Ear

Extended wear vs IIC

There are a few differences in these types of hearing aids which need to be taken into consideration:

  • Fitting procedure – an IIC can be fitted after a custom impression is taken of your ear, (the Signia Pure Nx IIC does not require an impression and can be fitted immediately). An impression of your ear involves placing a foam or cotton block deep in your ear canal and then a putty-like impression material is syringed into your ear canal. It takes a few minutes to set and then is sent off to the manufacturer. An extended wear invisible hearing aid does not require an impression. Instead a thorough inspection of the ear canal with a high magnification device is required to determine where the hearing aid should sit deep and comfortably in the ear canal. As no impression is required of the ear canal, it can be fitted once your ear has been determined as acceptable for a Lyric. Your Hearing Healthcare Professional (HHP) will then measure your ear canal for the correct Lyric size. Once the correct Lyric has been selected it will be inserted by your HHP with the Lyric insertion tool. The hearing aid will then be programmed for your hearing levels.
  • Batteries – IIC batteries need to be changed every 4 – 7 days. The Lyric does not need to have the battery changed and can last up to 4 months.
  • Removal – IIC hearing aids are removed whenever you want to take them out. The Lyric is removed for some medical procedures (MRI) or when it stops working. It needs to be removed for activities such as scuba diving or skydiving. It should be removed if it is painful. You can remove the Lyric yourself, or get your HHP to remove it, but once it is out, you need to purchase a new one.
  • Cost – the Lyric is sold on a subscription plan, which will cover up to 8 new Lyric devices a year, starting at around $3000 a year. IIC hearing aid costs are per device.

Overview of some of the invisible hearing aids available

1. Signia Silk NX – pricing from $2300

  • Ready to wear, instant fit IIC – no impression required
  • OVP technology so your own voice sounds natural
  • OneMic directionality for improved speech understanding in background noise
  • Wireless connectivity so can be controlled with smartphone app (touchControl App) or miniPocket remote
  • World’s first CROS CIC – for people with one-sided deafness
  • Three technology levels available – not sure what you need? You can try the sDemo to find the best level for your hearing loss
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Signia Silk NX

Release Date: 2018

TECHNOLOGY RATING

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2. Starkey Soundlense Synergy iQ – pricing from $1800

  • Personally customised for all-day comfort
  • Fast acceptance of hearing aids as this hearing aid has technology that gradually adjusts your settings, allowing your brain to adapt faster to re-hearing the world
  • SoundLens Synergy with Acuity Immersion which restores natural spatial cues for greater connection to your world
  • Hands-free phone calls connectivity from your phone, including media streaming
  • Available in three technology levels
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Starkey Soundlense Synergy IQ

Release Date: 2018

TECHNOLOGY RATING

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3. Phonak Virto B Titanium – pricing from $3600

  • Smallest IIC available
  • Made from titanium making it the most durable hearing aid available
  • Perfect fit due to technology of Biometric calibration
  • Available in two technology levels
  • Fully automatic with AutoSense or have the option of a push button control
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Phonak Virto B Titanium

Release Date: 2017

TECHNOLOGY RATING

new

4. Oticon Opn custom IIC – pricing from $2450

  • Design features mean more clients can be fitted with this IIC
  • Altered faceplate size, reduced length and width of hearing aid
  • Technology uses OpenSound features
  • Covers a wider range of hearing loss

5. Phonak Lyric – yearly subscription pricing

  • Extended wear hearing aids – keep in for months
  • Wear all day, every day, even when exercising and exercise
  • Water resistant so you can wear in the shower and water activities when you head is not submerged
  • Placed in ear by your Hearing Healthcare Professional
  • No batteries to change
  • Clear, natural sound

6. Starkey Hearing Amplifiers – pricing from $700

  • If you’re not ready for hearing aids but need to hear better, these are a good option
  • Ready to wear amplifier
  • Entry level hearing aids

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Lyric Invisible hearing aid

Are your ears suited to invisible hearing aids?

There are a number of factors to take into account when deciding if invisible hearing aids are suitable for you – they aren’t for everyone.

Hearing levels

If your hearing levels sit in the severe to profound range, you probably won’t be able to wear invisible hearing aids. The tiny devices just don’t have enough power to make speech loud enough for you to hear. Invisible hearing aids are most suited to those with hearing levels in the mild to moderate range.

Ear anatomy

The size and shape of your ear canal also plays an important factor in your suitability to these style of hearing aids. If you have narrow ear canals, or very small ear canals, it may not be possible to take an adequate impression for a successful fit of an invisible hearing aid. If your ear canal shape is ‘bendy’ or ‘unusual’ the positioning of the microphone for optimal hearing may be difficult and you would be advised to consider a different style of hearing aid.

Ear conditions

Impression For Invisible Hearing Aid

Do you have dermatitis or suffer from fungal infections in your ears? Do you have otitis externa or produce excess wax? If so, these conditions may impact on your ability to wear invisible aids comfortably and/or successfully. Discuss any ear conditions you have with your Hearing Healthcare Provider to see if invisible aids are appropriate for you.

A note on earwax

Earwax can be a problem for some people with an invisible hearing aid. The biggest issue is when wax gets into either the receiver or microphone. If this happens, your hearing aid will not work properly. Talk to your Hearing Healthcare Professional to see if they think earwax will cause you issues if you decide to purchase as invisible hearing aid.

Other physical factors

If you have arthritis in your fingers, manipulating an invisible hearing aid may be very difficult for you and not be the ideal choice of hearing aid. The same can be said if you have reduced vision. Orientating the hearing aid correctly, or changing the tiny size 10 batteries may be challenging and you may opt for a hearing aid that offers a better solution (such as a rechargeable hearing aid).