A swollen eyelid is a very common symptom, and is usually due to allergy, inflammation, infection or injury. The skin of your eyelid is less than 1 mm thick but it is loose and stretchy, so your eyelid is capable of swelling quite dramatically. This leaflet discusses the reasons why your eyelids might swell, and directs you to more detailed leaflets explaining how to treat these various causes. Your eyelids are there to protect your eyes and to keep the surface of the eye particularly the cornea, which is the clear part of the eye over the iris and pupil from drying out. Each eyelid consists of thin skin with some pads of fatty tissue , muscle and a lid-shaped piece of thick fibrous material called the tarsal plate. These tarsal plates contain Meibomian glands which produce oily material which helps keep the eye and eyelid lubricated.
A person may experience swelling in one or both eyelids. Swelling may be painless or accompanied by itching or pain. Eyelid swelling is distinct from bulging eyes , although a few disorders can cause both. It usually results from an eyelid disorder but may result from disorders in and around the eye socket orbit or from disorders elsewhere in the body that cause widespread swelling. More widespread allergic reaction for example, angioedema or allergic rhinitis. Swelling of one place in one eyelid is common and is most often caused by a blocked oil gland chalazion or a bacterial infection of a hair follicle stye or hordeolum. Disorders that cause generalized body swelling, particularly a type of kidney disease called nephrotic syndrome.
Facial swelling is a common symptom with a range of possible causes, including injuries, allergic reactions, and infections. Rarely, facial swelling can be a sign of anaphylaxis, which is a medical emergency that requires immediate treatment. In this article, we look at common causes of swelling of the face and how to treat them.
You probably notice a bit of eyelid swelling when you glance at yourself in the mirror first thing in the morning. However, sometimes the swelling doesn't go away as your body wakes up from sleep. Most of us will experience swollen eyelids some time in our lives.