Epicanthoplasty is the surgery.
This will reduce the fold. However the risk is an unacceptable visible scar in the inner corners of the eyelid. For many the surgery heals just fine. However, even in the very best hands, there is a substantial (20%) risk that the scar will heal in a way that is visually bothersome. For many people this risk is worth taking. For others, they would rather live with the epicanthal fold than take this risk. You will have to make a personal decision regarding this.