Here what will be a natural way to describe this:
You have smudged your mascara by crying.
You have smeared your mascara by crying.
And what if it was done on purpose, what will be ised in that case? (Hand was used) And what if someone tries to wipe off the tears and smudges it?
And what about glasses :
You have smeared the lenses.
Yoy have smudged the lenses.
(They are blurry now)