I got mine around fourth or fifth grade, so that adds up to between 6 and 8 years I think.
So yeah, my vision was slowly going out, I got glasses, end of story I guess. For the longest time, my family and extended family would never stop bugging me about how video games were sending my vision down the drain and how my lenses would become ridiculously thick. Recently, I finally got my parents to leave me alone about it but my uncles and aunts seemed to have missed the memo.
Now that I think about it, my youngest brother had to start wearing glasses around second or third grade and I'm pretty sure his natural vision is worse than mine already. He may or may not count though, because he isn't as naturally healthy as I am.
A lot of family in my generation wears contacts at this point (I really don't feel like changing out of glasses). A lot of the older generation, my parents included, wears glasses for various reasons, just not all day like I do (I got tired of taking them off and putting them on again as needed and didn't like carrying my glasses case everywhere). I've often relayed the idea that it may be a genetic issue and they should really quit picking on me for it, but to no avail. A lot of my friends who I'm pretty sure don't game as much as I do admit to having ridiculously strong prescriptions. Any chance my family was feeding me medical myths for years on end?