My vision insurance is so good receptionists frequently comment on it, and even for me I have to pay a lot out of pocket if I want anything above the barebones frame and lens(scratch/smudge/shatter resistance, blue blocker, etc). After getting my PD measured I bought a few pairs off of Zenni(after seeing it mentioned hn comments) for like $20 or $30 each or something, with all the same extras.

Yes, their ultra cheap frames aren't as nice as the $180 but $30 after insurance ones, but now I have a pair of glasses with different characteristics in the car, in my home, in my office, and in my gym locker. Previously I would use basically one pair to multitask it all because of the price.