I got my eyes checked recently, after putting it off for years. The good news is that my prescription had changed very little from 2015, but even that tiny bit made a big difference. Bad news is of course new glasses.
What’s weird is that the physical effect of having everything back in focus seems to have carried over into my mental state somehow. It may be all just in my head of course, but my writing and coding seems a little crisper and I’m able to understand what I’m reading better – no more drifting off into a version of “highway hypnosis” and suddenly realizing you’ve missed the turnoff to chapter seven somewhere around Albuquerque. Which can be a real problem when you’re got a little black duck on your back and he will not shut up.