Wear safety glasses
Not sunglasses, or shades or prescription glasses
Wear actual industrial rated workers safety glasses.
If you get those shots in your face, you're going to lose an eye or both eyes. Safety glasses are designed for this kind of stuff and they actually work. It will stop those projectiles from damaging your eyes.
Cops all over the world are known to purposefully shoot people's faces and heads. After the fact they will just argue that it didn't happen, it was accidental, it was chaotic, it was dangerous, etc, etc .... it won't matter after the fact if you lose an eye or end up completely blind.
Wear safety glasses, they're easy to find and easy to use.