If somebody in your family has problems with hearing, you might want to learn something about hearing aids. Before visiting a Hearing clinic , you might want to do some research on your own. For example, you might want to find out what the difference between an audiologist and a hearing aid dealer is. If you had to deal with a hearing aid dealer at some point, you probably were either satisfied with his services or not. One hearing dealer might be more skilled and qualified than another one. Choosing hearing aids requires specialized knowledge that not many people in the world have. It is not uncommon for hearing aid dealers to make some mistakes whole choosing hearing aids. They might not have enough knowledge in order to be able to choose the right size of hearing aids or choose a hearing aid with inappropriate programming. If you feel that your hearing aid dealer did not do a good job, do not hesitate to ask for a second opinion.