The patient’s eye pain, redness and swelling may be caused by eye trauma, blepharitis, conjunctivitis and so on. 1. Ocular trauma: If the patient’s eye is hit or violent, it can lead to soft tissue injury of the patient’s eye, which can cause redness and swelling of the eye, and can be accompanied by pain, subcutaneous bruising and other uncomfortable symptoms. 2. Blepharitis: Blepharitis refers to purulent inflammation of the eyelid glands. Under the stimulation of inflammation, the patient may experience redness, swelling and pain in the eyelids, accompanied by tearing and a foreign body sensation in the eyes. 3. Conjunctivitis: If the patient’s eyes are not hygienic, it may lead to bacterial, viral or chlamydial infections and other pathogens, triggering conjunctivitis. Under the stimulation of inflammation, it may lead to redness, swelling and pain in the eyes, accompanied by itchy eyes, tingling, and increased secretion and other discomforts. It is recommended that patients with eye pain, redness, swelling and obviousness should consult the hospital in time to assess their condition and follow the doctor’s instructions for treatment.