Hello,
Thanks for your question. We've had good results with nanofat injections layered over microfat injections to correct tear trough deformities. We have never had any problems with lumps or bumps. We do occasionally have to graft a second time once the fat settles in, but that isn't...
Swelling really varies from person to person. It usually subsides during the first week but can continue for a couple weeks beyond that. If you are concerned, visit your plastic surgeon.
You certainly can be a candidate for eye socket/orbital volume augmentation with fat grafting. You should consult with an oculoplastic surgeon that has had prior experience with either fat grafting or using other injectable fillers into the eye socket. Other options besides fat grafting to the...