In general, blowing air conditioning will not cause eye swelling, patients with eye swelling may be caused by other reasons, eye swelling can be seen in normal people, but also may be blepharitis, eye trauma patients. 1. Physiological situation: If normal people drink more water before going to bed, stay up late or rub their eyes, patients can have swollen eyes after getting up in the morning, such people should improve the bad habits, usually without special treatment. 2. Blepharitis: Staphylococcus aureus and other bacterial infections can cause inflammation of the eyelid glands, under the stimulation of inflammation, the patient can appear eye swelling, the patient will also have eye congestion, oozing and other uncomfortable symptoms, the patient can carry out the local hot compresses, if necessary, can be prescribed to use erythromycin ophthalmic ointment and other medications for treatment. 3. eye trauma: if the patient in the occurrence of eye swelling before the experience of a fall, collision, eye swelling may be caused by eye trauma. Early eye trauma patients eye swelling is not obvious, generally sleep overnight, patients eye swelling can be more obvious. It is recommended that patients whose eyes swell significantly after waking up in the morning should seek medical attention to assess their condition and follow the doctor’s instructions for treatment.