Do not rub your eyes with your hands when iron filings fly into your eyes when using a grinder, and rinse your eyes with plenty of water. After rinsing, it is recommended that you go to the hospital for a checkup, and if there is a deep-seated intraocular foreign body, the doctor will usually perform a surgery to remove it, and you will need to use antibiotic eye drops after the surgery to prevent secondary infections. When iron filings fly into the eye, do not rub the eye with your hand; the more you rub, the more the iron filings will go in. If the iron filings stay in the eye for too long, they can also cause ferroptosis, which can cause irreversible damage to the eye. Once iron filings fly into the eye, you first need to rinse the eye with water, relatively shallow iron filings can be rinsed out, after rinsing should immediately go to the hospital. If the examination found that there is a foreign body residue, the doctor will carry out surgery to remove the foreign body and the residual iron filings removed cleanly, after the operation also need to use antibiotic eye drops, such as levofloxacin eye drops, to prevent secondary infection. Therefore, in the case of iron filings flying into the eyes during sanding machine, timely hospital examination should be conducted to remove the iron filings as early as possible to avoid causing intraocular infection.