Sudden blurry vision in one eye, with optical nerve swelling

[christina]

I've been feeling loads better since being back on hennings brand thyroxine , but I've got sudden blurry vision in left eye , I've got an emergency opticians appointment, who said I've got optical nerve swelling , and I've got an mri scan next week , what could this be , I'm so worried

[Clutter]

I'm sorry you've had no replies, Christina.

I hope the MRI shows whatever is wrong and that it is quickly cured.