In most people, the ear cartilage folds as it develops, which allows the ear to be relatively close to the scalp. If this fold does not form (or is not fully formed), the ears become distinct, moving away from the scalp. This condition can affect one or both ears. By the age of six, the ear reaches about 85% of its adult size; Therefore, the time after the age of six is a good time to perform prominent ear surgery.