Well, off to the vet she went . . . as it turns out it's an unspecified neurological issue. Maybe caused by the hideous noises from the construction near our home and maybe some sort of parasite or viral infection. What we do know is that it isn't a deficiency or dehydration.
She's on bactril now and her pupils have gone back to a decent size and her head's usually only canted slightly to the side instead of full out stargazing so she's looking good