Went to the optician for my 2-year check-up. It was good timing; I've been having trouble seeing things in the distance lately, and a few days ago I was in the car with my mum, trying to find an address, and she could read the street signs before I could. I wasn't able to make them out until they were about 10 metres away.
I didn't need stronger lenses; I just needed the axis of the lenses adjusted by 5 degrees to match the way the shape of my eyes has changed, and the optician was delighted with how much of an improvement she was able to produce from such a small change. I'll have better than 20/20 vision (or 6/6 vision, as they're calling it now) once I get the new lenses, at least until they get scratched and chipped and my eyes change again.