I was in Year 4/5 I think, so about 8 or 9.
I'm not really sure what it was, but I spent ages not wearing glasses because I didn't want to be the only one and get teased for it.
Now I'm -4.75 in both eyes (and am starting to notice my sights getting worse)
I wore glasses all the time from then until I was about 11. But since then I always wear contacts, except occasionally at night.
I really hate wearing glasses, they are so uncomfortable and get in the way and I find the frames annoying, as you can always see them. I know if I only had a prescription of -0.5 or something like that I would just squint or manage without them because they aren't worth it. It seems to have become a cool thing to wear in my year group and I don't understand why. Everyone is getting them now when they clearly don't need them, just to join the glasses club and follow the crowd, I find it really odd.