If the patient’s eyes are red and swollen, it may be caused by physiological factors, trauma, infection factors and so on. 1. Physiological factors: if the patient cries for a long time and rubs the eyes too much, it can lead to orbital redness and swelling, which belongs to physiological factors and can be gradually relieved after reasonable rest. 2. Trauma: If the patient is hit by external force or bumped, resulting in damage to the soft tissues around the orbit, there is soft tissue fluid exudation and blood seepage, the patient may have orbital redness and swelling, accompanied by pain, subcutaneous bruising and other discomforts. 3. Infectious factors: If the patient has orbital cellulitis, blepharitis and other eye infectious diseases, under the stimulation of inflammation, the patient may have orbital redness and swelling, which may be accompanied by eye movement disorders, loss of vision, fever, headache, nausea and other discomforts. It is recommended that patients with significant orbital redness and swelling should seek prompt medical attention to evaluate their condition and follow the doctor’s instructions for treatment.