So, almost 15 months later and we're all holding our own. Eye drop schedule rules, and Sissy hears daily that her remaining eyeball is the "most important thing". We're ever-grateful for all the support, especially from our local vet's office and Eye Care for Animals.
Eventually, we will turn this into a useful resource. In the meantime, you can read about what Sissy and Gretchen are up to here.