I am afraid it is true. According to the reports of New York Daily News, the eyeglasses worn by Secretary of State Hillary Clinton in recent days appear to be for treating double-vision. Further, she has been 66 this year and always have a lot of work to deal with. Our eyes function of seeing a single, clear image decline with aging. As we all know, the long time wearing of contact lenses can probably lead to deformation of extraocular muscles leading to double vision, so do nerve and brain problems. If you have a double vision, you have to wear the special glasses to see a normal image instead of double vision. Well, she were said to be recovering soon.