In Virginia, you look into this machine on the counter and they tell you to read a particular line of letters.
That's what you do in-person in Utah as well. I've worn glasses or contacts for nearsightedness since I was 12, but I barely passed the vision test when I first got my license, so I didn't have any restrictions. By the time I had to renew it for the first time, my vision had clearly gotten worse, but the online renewal form simply had a question of "do you wear glasses or contacts while driving?". I said yes, and the renewed license they mailed me had a vision restriction on it. I could have easily answered no.
When I got my Florida license, they just stuck a corrective lenses restriction on it after seeing my old one. No test necessary. They probably would have made me do a test of some sort if I had presented without any restrictions.
A few months ago, my contacts fell out as I was driving home late at night. That was scary. I could find my lane and see traffic lights just fine, but I couldn't read any signs, or probably see any pedestrians until it would have been too late. I absolutely need my vision restriction and the idea that there are people with even worse vision out there without it bothers me.
Isn’t there a question on the California DMV test about CHP’s preferred hand position while driving? I recall getting that wrong in 2016 given it was oriented for a car that probably didn’t have power steering.
That's another thing - a ton of the material for this stuff is horribly outdated. I recall my driver's ed materials teaching how to pump brakes and mentioning how select few cars had this fancy new feature called ABS where you didn't have to do that. Of course, ABS has been included with pretty much every car made since the late 90s/early 00s...