I think Mayo Rochester has some experience with the proliferative vitreoretinopathy (PVR) procedure but I'm not sure of the specifics. It might be worth calling them and explaining your wife's condition to see.
-- Ophthalmology: https://www.mayoclinic.org/departments-centers/ophthalmology/sections/conditions-treated/orc-20518525

I think Dr. Raymond Iezzi might be one of the specialists - https://www.mayo.edu/research/faculty/iezzi-raymond-m-d/bio-00097403.