baby with high thyroid results?

My daughter is 6 months old she has had her thyroid tested 4 times since she has been born it has been too high………the doctor said she should be ok but yesterday I took her to a different doctor because she had a cold and she told me that one of her eyes sticks out more than the other and asked me if I have had her thyroid tested………should I be worried …..has anyone ever had this happen to their baby?
her doctor talked to an Endocrinologist from the University of Iowa and said that the results were high but not high enough to worry about.