An inflammation inside the eye.
Usually the cause is unknown, unfortunately, but it can be part of auto-immune disease, and she has this with her hashimotos.
I would suggest they follow up immediately with the docs and request an oral prednisone course and taper,,,,which can be done with the methotrexate, and get a better effects.
Sometimes steroid injections into the eye can be done.
Rarely, surgery is needed.
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