Swollen eyelids and blurred vision may be caused by rapidly elevated intraocular pressure, visual fatigue, pollen allergy and other reasons. 1. Rapidly elevated intraocular pressure: Rapidly elevated intraocular pressure refers to the narrowing or blockage of the atrial angle structure inside the eye, which will lead to aqueous drainage obstruction and pressure on the tissues around the eye, thus causing eyelid swelling and blurred vision. 2. Visual fatigue: visual fatigue is caused by ciliary muscle spasm, usually due to prolonged head down or stay up late and other factors cause eyelid swelling, blurred vision. 3. Pollen allergy: pollen allergy is a common cause of allergic conjunctivitis in patients with clinically significant seasonal. This allergic disease can also lead to symptoms of eyelid swelling and blurred vision. Swollen eyelids, blurred vision, should go to the hospital in time to identify the cause of the disease, follow the doctor’s instructions for treatment.