Most of the time, a person can easily remove debris from the eye by repeatedly blinking to get the debris out. If that doesn't work, you can wash your eye with saline (sterile salt water) to flush out any dust and dirt from your eye, or use streaming tap water.
However, to scratch your cornea while attempting to get an object out which can cause further site-threatening complications.
So the best thing you can do in this kind of eye emergency is to get to your eye doctor in Missouri City as soon as possible.