As we age, our entire face changes. Not only does the fat in our face change and drop, but also there are decreases in bone mass as well. Puffiness under the eyes is largely due to herniation of fat under the eyes, along with changes in the skin and connective tissue. However, as the fat and and bone of cheeks decreases also, it may actually make the puffy eyes look more pronounced.
There are several ways to correct undereye puffiness. In some cases, by building up the cheek with a filler, you can mask the appearance of the puffiness without actually treating it. In other cases, a surgical correction of the eyelids is necessary. It is important to get an evaluation by your dermatologist or plastic surgeon to go over your options.