Graves' Disease Support Group
Graves-Basedow disease is a medical disorder that may manifest several different conditions including hyperthyroidism (over activity of thyroid hormone production), infiltrative exophthalmos (protruberance of one or both eyes and associated problems) and infiltrative dermopathy (a skin condition usually of the lower extremities). This disorder is the most common cause of...
Please find another poster from the other day asking Qs about the eyes.
The TSI thyroid antibodies are probably pretty high and your thyroid levels of the Free T3 and the Free T4 are probably not in the 'right' places to feel best there at (mid range for the FT3 and mid to the upper third range for FT4).
So your eyes are probably in the 'hot' phase.
Methimazole doesn't cause weight gain. It is from having the 'wrong' thyroid levels for both FT3 and FT4 that can make the weight yo yo.
{{{hugs}}}
I have raised this concern on my first visit to the hospital, I am awaiting an appointment with a eye specilast , My advice if you have any concerns with your eyes is to ask to be referred to a specialist.