My vision isn't as bad as you or Owlie's (-4ish, with mild astigmatism), but I have had the "your eyes are too bad for these frames" door shut in my face many times. I got a pair of Liberty Sport wrap sunglasses a couple months ago and have been happy with them. I took a bit of adjusting to the base curve--at first it looked like I was constantly standing on top of a hill--but my brain learned to compensate for that after about a week. Now I wonder how I ever biked/drove/etc in Arizona for almost three years without sunglasses! The style isn't exactly trendsetting, but they were affordable and get the job done.
Good luck in your searches!
ETA: I attached a picture of me in my Liberty RX sunglasses at the Grand Canyon, so you can see they turn out ok in "real life."![]()




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