I would try castor oil packs on my eyes while I slept.

I researched that it may be related to autoimmune . To me autoimmune is an umbrella terms that does not identify the actual cause it The doctor typically you give you steroids which turns off your immune system. Consider stopping sugar, gluten, dairy additives, Genetically-Modified-Organisms foods getting on an Elimination Diet may be the only way to go. Throw out dryer sheets, avoid memory foam, wash your pillow case daily. Consider dental issues, or Other infections in the body it is so dumb that an eye doctor does not give patients a list to what to get checked for or the MD has no idea to what to check you for there is a list on line regarding infections that can cause this
Hormone check and full thyroid with a specialist may be helpful
. My ND put me on an antifungal, anti parasitic anti viral I did oil pulling as daily and Take an very warm evening shower and put castor oil on my eyelids Two tablespoon daily cold pressed coconut oil