Hit in the face

I was getting in our van in our carport to go get my fiancee at work and I felt a hit on the left side of my face by my eye. It wasn't any bug or something else flying up from the ground or through the air because it didn't feel like that, it felt like a hit. Also, it was not the van door, would have known that for sure. I couldn't check to see if there were an marks on my face until I got home and looked under better lighting. That side of my face is red and it feels weird and has felt that way since it happened about an hour ago.