Degree Of Hearing Loss
The severity of your hearing loss is the most important factor to consider in the hearing aid selection process. The greater the distance between the speaker and the microphone (i.e. the larger the hearing aid), the less likely you will have feedback. If considerable volume gain is needed, larger hearing aids may be the best solution.
For some people, visibility is the important style which ¨wins¨ in every category. If it bothers you that people can see that you are wearing hearing aids, you should communicate this to your audiologist during the selection process.
With most hearing aid styles, when the telephone is placed on the ear, it will cause a whistling sound. If there is room on the hearing aid, a telephone switch can be installed which will prevent the hearing aid from whistling.
A vent is a smal hole with passes through the hearing aid, allowing for air exchange between the ear canal and the outside environment. More air can pass through larger vents. If you ears often feel ¨plugged¨, venting may be an issue for you. Generally, larger hearing aids have the largest vent size.