I had a PDO thread lift with some dermal fillers 2 weeks ago. When can I go back to hot yoga?

I cannot tell from your photo how much filler or fat implants in your cheeks would help the corners of your mouth, but that is always where I start. From there, a properly placed filler around the mouth can help the corners. Threads are  still a viable option and I have used a lot in your age ...

Although injection of filler into the glabella has been documented to cause blindness due to embolization of periorbital vessels this is extremely rare with proper precautions.  I am not aware that placement of threads in this area would cause blindness although swelling, bruising and pain can o...

I would recommend going back to the office you had the procedure done at and have them remove the threads and replace.  The thread may have been placed to superficially, hence the puckering on your left side.