On Saturday when I was shooting off fireworks with my family, I was gazing at the heavens for one particular item when suddenly a chunk of warm ash fell into my eye. It was rather uncomfortable, though it didn't hurt any more than a mild stinging; it wasn't like the piece was still on fire or anything. I was unable to get it out of my eye until I went inside, got a Q-Tip, wet it, and wiped the residue off the inside of my eyelid. That eye was red for a couple hours.
This was an experience I do not really want to repeat.