Periorbital puffiness, also known as "puffy eyes" or swelling around the eyes, refers to the appearance of swelling in the tissues around the eyes, called the orbits. It is almost exclusively caused by fluid buildup around the eyes, or periorbital edema. Minor puffiness usually detectable below the eyes only is often called eye bags.
While some degree of puffiness may be normal for a given individual, factors such as age and fatigue may make the swelling more prominent. The periorbital tissues are most noticeably swollen immediately after waking, perhaps due to the gravitational redistribution of fluid in the horizontal position.
Puffy eyes are usually only a temporary cosmetic worry, but occasionally, individuals become concerned about the cosmetic effect of periorbital swelling and seek surgical correction. Severe and persistent puffiness may be a sign of other serious medical conditions.
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