Emily has runny eyes and we had a culture done at the vet - but nothing is wrong. He asked if she is finicky at scratching in the litterbox and that the dust from the litter is very aggravating to some kitties. Well, Emily is "scoop patrol" and even covers the boys' business as well as digging up a storm for her own...so that is the reason for hers. Does Marsha dig alot?? Or is it a Persian thing? I know our poodles always had runny eye s and it was a poodle thing. Also - her light silvery coloring probably makes it all the more noticeable.