Not all, of course, but many!
(certainly many more than from any other era).
Don't bother posting pix, Mark. I know there are lots you can post that don't have
pop eyes (at least not
too badly -- even the one you posted has a minor case of the condition!), and for every one of them I can post two that do. It doesn't matter; it isn't a contest. However, one would have to be blind to miss the fact that this was an ubiquitous feature of
Roman coinage, as well as other visual arts, in that era. It even shows up in Constantinian statuary: