You can use recombinant human epidermal growth factor eye drops, vitamin A eye gel, and levofloxacin eye drops for welding flash to the eyes. Welding flash to the eye, mainly the ultraviolet light in welding on the eye conjunctiva, corneal damage, will make the conjunctiva congestion, corneal dot infiltration, corneal epithelial edema, and even corneal epithelial peeling, the eye will appear severe pain, eyelid redness, eye opening difficulties, fear of light, tearing and other symptoms. If the pain is severe, a few drops of lidocaine for anesthesia can be added to levofloxacin eye drops, but this procedure should be done by a physician, along with drops of recombinant human epidermal growth factor eye drops and other medications that promote corneal healing, and the eye symptoms disappear in 24-48 hours.