Painful swelling in the area of the sleeper eye is a more common symptom, which can be caused by a variety of reasons, commonly related to trauma, eye lesions themselves, personal eye habits, etc. The swelling and pain in the area of the sleeper eye is caused by trauma, commonly the force of blunt contusion or skin laceration sutures, and temporary swelling and pain during the recovery period. Painful swelling of the recumbent area of the eye caused by lesions of the eye itself, common diseases include lid gland cysts and mydriasis. Generally simple lid gland cysts do not cause painful symptoms, but most common lid gland cysts in daily life are combined with inflammation of the conjunctiva, and therefore localized pain can occur. There are also allergic factors that can cause this area to become swollen and painful, such as allergies to medications, foods, and substances in the surrounding environment, which can cause a local allergic reaction and cause localized skin swelling and pain. In addition, there is a situation that can also cause swelling and pain in the area of the sleepy eyes, prolonged ambulatory work, especially contact with electronic screens, such as cell phones, tablet computers, etc. After some eye surgery, there will be the requirements of the body position, such as vitrectomy filled with silicone oil after surgery, to head down, this situation will often occur in the area of the sleepy eyes edema. Generally not painful.