If you're a senior citizen who has decided to purchase a hearing aid, it can be quite a daunting task. There are so many things to take into consideration before purchasing one such as style, size and price. With the right information though, it should be much easier! Here are six important things to look out for when choosing a hearing aid. 1. The hearing aid style Depending on your lifestyle and profession, there are different styles of hearing aids to keep in mind.