In the bottom left-hand corner of the picture, where my left lower eyelid meets the bridge of my nose, the follicle on one of my eyelashes is infected.
It's started to swell, it'll probably do so a little more overnight. It'll be an inconvenience for a couple of days, but it'll sort itself out in due course.
If you see me in the next couple of days and it looks like I'm crying out of one eye only, this is why. Don't panic.
We now return you to your regularly scheduled programming.