Being stung in the eye by welding for many days, considered as electro-optical ophthalmia, need to take cold compresses, medication and so on. 1. General measures: patients need to use clean water to wash the eyes, and then use a cold towel for cold compresses, to a certain extent, can promote the rapid recovery of normal eye tissue. 2. Medication: patients need to use topical vitamin A ointment under the guidance of the doctor, but also can use erythromycin ophthalmic ointment, levofloxacin eye drops and other antibiotic drugs. If the eye pain is obvious, need to follow the doctor’s instructions oral ibuprofen, acetaminophen and other non-steroidal anti-inflammatory analgesics. For patients who experience bilateral blepharospasm, local anesthetics, such as bupivacaine eye drops and oxybupivacaine hydrochloride eye drops, can also be used. After standardized treatment, patients need to avoid long-term exposure to light stimulation and ultraviolet radiation caused by welding and pay attention to personal protection. To summarize, when the eyes are stung by welding, you need to go to the hospital in time, cooperate with the doctor for treatment, and strengthen the daily life management. If it is still not good for many days, it is recommended to go to the hospital to consult a professional doctor.