Magnet head

get yourself a dollar store face shield. Youll be amazed how well they keep stuff from dropping on your face. My favorite is working under an exhaust, those rust flakes seem to gravitate to the old corneas. And I wear glasses!
2 times i had to have a flake of rust extracted. One time dr used a syringe, and my eyesight was still good, i could see the hollow part. Traumatic is an understatement.