A swollen eyelid occurs when there is inflammation or excess fluid (edema) in the connective tissues surrounding the eye. Swollen eyes can be painful and non-painful, and affect both the upper and lower eyelids.
There are numerous causes of a swollen eye, including eye infections, eye injuries or trauma, and, most commonly, allergies. Swelling of the eyelids can be a sign of a more serious, potentially sight-threatening health problem, such as orbital cellulitis, Graves’ disease and ocular herpes.
Symptoms Of Swollen Eyes
Swelling of the eyelids is a symptom of an underlying cause, such as allergy or infection. Swollen eyes usually are accompanied by one or more of the following: