The patient’s swollen and painful eyes may be caused by eye trauma, conjunctivitis, granuloma and so on. 1. Eye trauma: After the eye area is traumatized, it is easy to have adverse reactions such as eye swelling and pain, which may also be accompanied by subcutaneous bruising, bleeding and other uncomfortable symptoms. 2. Conjunctivitis: affected by physical and chemical stimuli or infectious factors, the patient’s conjunctival blood vessels dilate, resulting in inflammation of the conjunctival tissue, the patient may appear red, swollen, painful, photophobic, tearing and other uncomfortable symptoms. 3. Blepharitis: Blepharitis, also known as blepharitis, refers to suppurative inflammation of the eyelid glands, and patients may experience symptoms such as eyelid congestion and pain, and patients may also experience eyelid abscesses. It is recommended that patients with obvious swelling and pain in the eyes consult a regular hospital in a timely manner to assess their condition and under the guidance of a doctor.