> Replace as needed So here's the thing- I do exactly the same thing. Buy cheap classes. Use a kitchen paper towel or whatever is handy to clean them. But I

> Replace as needed So here's the thing- I do exactly the same thing. Buy cheap classes. Use a kitchen paper towel or whatever is handy to clean them. But I have never had to replace a pair because of damage. Every few years, my prescription changes enough to warrant replacement, and then I go and order another set of glasses from Zenni, and they always last until the next time, no matter how badly I treat them.