Emmie
With thyroid cancer you should be medicated with a tsh below .3. That's because they like thyroid cancer patients to be over medicated to make sure that the cancer can't grow again.
What is your TSH?
If you were below .3 you'd most likely be losing weight, but that's not 100%. Some people on to much thyroid medication gain weight.
Eye sight getting worse is usually a sign of hypothyroid.
Not always but most times it is. <img src="/images/graemlins/rolleyes.gif" alt="" />
Find out your numbers and email me.
Let me know what state you live in I'll give you a support group that can help you find a good doctor. <img src="/images/graemlins/smile.gif" alt="" />