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Hearing Aid
Styles
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Advantages |
Disadvantages |
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Open Fit
 |
b
Provides superior sound
b
Easy to insert
b
Less prone to ‘occlusion effects’. Clients report their own voice quality
is much improved from the old ‘occluding’ aids.
b
Most are very small and automatic.
b
Some can use
remote controls to vary the sound.
b
Available in a modern colours
b
Some can be linked by blue-tooth to mobile phones, Ipods, TV
devices and normal phones. |
r
Not suitable for people with severe hearing loss.
r
No controls or exceedingly small
controls on the aids so clients may have to use
a remote control.
r
These aids use small
batteries that require changing more frequently than other aids.
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| Behind The Ear (BTE)
 |
b
Best aid for severe hearing losses
b
Can be fitted to milder losses
b
Least prone to whistle or feed back.
b
Aid can be automatic
b
The controls
are relatively easy
to use
b
Generally very robust aids
b
Has longest battery life |
r Not suited to clients with small ears particularly if they
wear glasses. |
| In the Ear (ITE)
 |
b More powerful hearing aid than ITC or CIC.
b Larger volume control for ITC or CIC
b Other controls can be included on the hearing aid such
as programming or telephone switches.
b Less prone to feedback or whistling problems than ITC
or CIC.
b Aid can be fitted with totally automatic
settings.
b With an autophone
or automatic phone listening program, it works well with the telephone. |
r
Less cosmetically appealing than ITC, CIC or Open Fit.
r
With certain losses, the occlusion effect or loud amplification of
the client’s own voice can be annoying for the client
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| In the Canal (ITC)
 |
b More cosmetically appealing than BTE or ITE.
b The aids can be fitted as an automatic device.
b With an autophone
or automatic phone listening program, it works well with the telephone
b Can be fitted with a remote control to control
the sound. |
r
More prone to feedback or whistling.
r
The smaller controls are more difficult to use.
r
With
certain losses, the occlusion effect or very loud amplification of
client's own voice can be annoying for the client
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| Completely in the Canal (CIC)
 |
b Cosmetically appealing hearing aid as it is almost
invisible to the eye.
b Excellent for telephone use as there are no switches
and the phone sits against the external ear.
b Several acoustic advantages as the hearing aid uses
the ear for enhanced directionality unlike other aids. |
r Certain hearing losses and certain ear canal shapes
exclude the use of this aid.
r Battery life is very short
r Some clients are unable to correctly place this very small
hearing aid.
r The hearing aid has no controls.
r The aids have to be fairly tight to decrease the
chance of feedback or whistling which can make for an
uncomfortable fit. |