Lost both our girls this spring, they were both 14 or so, good age for larger dogs. Elsa, the pitty looking one suddenly went blind, the vet couldn't find an eye problem, she went into a seizure right in the exam room , the vet suspected a brain tumor, she never came home. Abbie, was on meds for bad arthritis, we couldn't let her go thru what Elsa went through , we said goodbye a month later after Elsa