Swollen, itchy and painful eyes may be caused by allergic conjunctivitis, blepharitis, bacterial conjunctivitis and other diseases.
1. Allergic conjunctivitis: this disease has a genetic predisposition, common allergens are pollen, dust, dust mites, cosmetics, etc. Typical symptoms include itchy eyes, swollen eyelids, eye pain, etc., so swollen, itchy and painful eyes may be caused by allergic conjunctivitis.
2. Blepharitis: This disease is mainly caused by Staphylococcus aureus infection, but also related to dry eye, inverted eyelashes, squamous lesions, blepharoplasty dysfunction, etc. It can be induced by refractive error, long-term wearing of contact lenses, etc., which leads to eye swelling, eye itching, eye pain and other symptoms.
3. Bacterial conjunctivitis: the common pathogens of this disease are gonococcus, meningococcus, staphylococcus epidermidis, etc. It is often triggered by excessive smoking and alcohol, lack of sleep, chemical fumes and other factors, and the common symptoms include itching, pain, eyelid edema, etc., which can be manifested as swollen, itchy and painful eyes.
It is recommended that patients with swollen, itchy and painful eyes go to the hospital to clarify the exact cause.