It is difficult to tell for sure from one picture. However, I do not think that you have ptosis. One way to tell is to measure the distance from the light reflex on your eye to the edge of the upper eyelid. It appears to me that the distance is the same on both sides.
You do have some facial asymmetry (like most people). The left upper lid is more hollow than the right. That makes the crease look higher and the lid look lower.
Judging from the picture it may be difficult to make things look much better than they do now. One possibility is to have a small amount of skin and fat removed from the right upper eyelid.
Because the change you need is very subtle, it is important for you to see someone who has a lot of experience with eyelid surgery.
Hope this helps.
