I've only ever had plastic surgery.
Got double eyelids this summer, and it was actually not that bad. The worst part was when they stabbed the needle in my eye like, three or four times on each eyelid. God I was ready to punch the surgeon it hurt so bad. XDDD;; But that was like, 5 minutes worth of my life, so big whoop, I grit my teeth and just sucked it up.
And then like, after he cut my eyelids open he was hunched over my eye and his hand was in my nose, and he was burning the fat away from my eyelids with a little torch laser thing and it smelled like latex and burnt fat and ohhh my god I could not breathe. Again, I wanted to punch him. (And don't even get me started on how the local anesthesia started to wear off because it was taking too long.)
But other than the fact that it took two hours longer than anticipated because apparently I had obese eyelids and the fat took a lot longer to burn than expected, and other than the fact that right afterwards on the car ride home I felt like I wanted to puke up everything I'd ever eaten in my entire life, it wasn't so bad. My eyelids themselves, despite being cut up like crazy, never hurt at all. Ever. I was pretty surprised.
I looked like I got into an INTENSE catfight afterwards though hahahaha like one eye was SO purple. I told people that I'd gotten into a fight-- and won. ;P
And they look nice now, so. :D