I'm pretty sure that I could package up all of my used contact lenses over the past decade into a single jam jar. If we consider the cases as well, I might nee

I'm pretty sure that I could package up all of my used contact lenses over the past decade into a single jam jar. If we consider the cases as well, I might need to go up to say, a gallon bottle of milk. I'm deliberately overestimating here by the way. What is the waste problem here?