The best thing to do is to followup with your doctor and discuss with them. However, it can be normal to have swelling after eyelash transplantation and it is not unusual for the swelling to be uneven (one side being greater than the other). Swelling usually resolves around day 4-5.
Eyebrow transplants are very specialized and if you have a problem, you should go back to your doctor and ask the doctor about the problem. Sometime initially after the procedure, the eye will swell, but this will be gone in a few days. If not, see your doctor.
Having some swelling can be expected after the procedure however if you continue experiencing swelling after three weeks make sure you see your doctor for a visit.
Swelling can be normal but it can be a sign of early infection. This is more serious on your eyelid. It is always a good idea to follow up with your doctor for a recheck if you have concerns.
It is very common to see asymmetric swelling after a hair transplant wether it is eyelids, eyebrows or forehead in scalp hair transplants. Of course if you have any other symptoms such as pain, fever and sections you need to see your doctor to make sure your are not having any infection in the area.