You don't need to yell. He can hear you just fine.
This is our bunny Silly. It is named Silly because one of it's ears is pointing in random directions.
cute baby fennec
"You've got a little something in your eye, darling. Here let me get it for you."
... well, I suppose that's one way to convey words of wisdom to your child. Perhaps not the most lovingly parental way, but almost doubtlessly an effective one.