I had double eyelid surgery, but it was a sausage for a year, so I had to re-surgery.
I asked them to make it as natural and round as possible, and to make the line a little visible when I opened my eyes.
But when I got home, I saw that the line itself was pretty, but it was too thin. I was worried that I would be upset.
I measured it with a ruler and it was a little over 6mm.