You can wear glasses using friction alone if they're tight enough around the head, no need for ears to be there. (And if that's not enough, you can always say that they're like... using a rubber band or something.)
I know there's Japanese folklore that says there are rabbits on the moonI encourage people to look for the moon rabbit, it's cuter than the manbut 7.0, the infamous moon expansion in which text to speech will be introduced as well as the realistic simulation of life on a natural satellite, seems... kind of bizarrely far off, timeline-wise.
Male viera, at the very least, are already kind of easy-mode since they're basically just another standard human-shaped character that happens to have bunny ears. The lady big cats are where the real difficulty comes in, but I don't believe it'd take all the way until we have to face primal John Madden to get 'em going.