What is the medical moniker for eye boogers?

What do you call the second-hand goods that's in your eye when you get up up?What is the medical moniker for eye boogers?
The word you're looking for is rheum. And if there's pus in it, for example due to a bacterial infection, it is call mucopurulent discharge.
I've grown up calling it "sleep"
CA-CA, because it is grosser than boogers and because of my allergies, I cannot see anything until about NOON when my prescription kick in for the daylight!