It would be difficult to create an epicanthic fold in someone who does not already have it. I think it would be a mistake to try to accomplish this. It will likely not turn out very good.
Perhaps you have not accurately summarized what your surgeon actually told you. However it is improbable that placing a dissolvable suture will address the triple fold. It is not appropriate to suture the upper eyelid crease to the eye brow, even temporarily. It is accurate...
Leo Kim, FRACS(Plast), MS(Plast), MBBS(Hons) says:
I do have an experience with a patient who wanted something similar that I took time to inform about the dangers. Do take caution about someone offering you to do this in a hurried manner.
Wish you the best in your journey,
Dr Leo Kim, Specialist Plastic Surgeon in Sydney