You could possibly have both? I mean, when it gets too hot, you take off the mask and tadaaa~ contacts underneath.
Otherwise, if you really think you'd be so severely uncomfortable, you shouldn't wear the mask, or you wouldn't really have fun.
Or have you ever considered face paint? As far as I know, her face is sort of hidden in the shadow of the hood, and you can only see the teeth and eyes, and it's unknown if that's her real face or not.