When fluid builds up in the tissues surrounding your eyes, your eyes and eyelids might swell up, in what is referred to as puffy eyes. Generally, eye swelling in your upper or lower eyelid is just an uncomfortable annoyance that will go away after about a day with no medical intervention. But if the puffiness and swelling last longer, it’s important to treat it, because in some cases, it may cause damage to your eyes. There are a number of reasons why you may experience puffiness around your