When First Ever Wearing Glasses...?

At 44, I just got my first Rx glasses (polycarbonate rimless), for single vision distance (and -1.75 astigmatism in OD). The prescription seems right on, and I can see everything past 5 feet with incredible clarity (I can't believe how near sighted I was!)

I have gotten more comfortable with the peripheral distortion due to my myopia prescription, but I still often feel the glasses distort how I see things ever so slightly. Some things seem smaller or thinner (though I do see them with AWESOME clarity). And I can at times feel almost a bit of a fish-eye effect. Sometimes too depth perception seems a bit off...?

I have been told this is normal, and that I am simply at the point of just beginning to learn to adapt to looking at the world through artificial lenses, and that I need to be patient for the short learning curve...?

Yes, it is normal. It takes a few days for your eyes and eye muscles to adapt to the new corrected vision.

ughh i bored

What you are experiencing is normal, however my opinion differs from that- let me explain.
I am an Optician, who is nearsighted too. I hope that you were sold aspheric polycarbonate lenses- but In my personal and professional (25yrs experience) opinion Hi- Index would be the best choice for the best optics. Reason being- I've worn this material for many years, in single vision and progressives. I also have worn the Aspheric Poly progressives, and was not all that impressed by the seemingly aberated peripheral vision. I did wear those lenses through the life of that rx, but went back to Hi Index plastic when it was time to re-up. They do cost a little more, but in the long run they are far more worth the money spent. I might add that there is a small percentage of people that cannot adapt to polycarbonate lenses. If you just got the glasses, there should not be a problem to upgrade and remake your glasses in Hi index plastic.

It sounds normal to me. I remember getting that sensation sometimes when I got new glasses that were stronger.