Sorry to hear about the lens.
I had similar experiences with a cat we had. We found him dead in the basement a week ago at age 18. I was tempted to take him for the last ride to the vets more than once, but glad I didn't. Stuff is cheaper than a divorce.
I just learned to put my stuff up out of harms way.
Everyone has their own attitutes about such matters, but I'm sleeping OK with my decisions.