Experts told the Daily News that Clinton likely has a Fresnel prism placed on her glasses. The adhesive panel is used to treat double vision. “If she’s wearing a Fresnel prism, then she has ...

They may recommend attaching a press-on prism to one or both of your glasses' lenses to resolve the issue temporarily. If you ...

“Often, we can eliminate the double vision with prism lenses and/or vision therapy. Other times, eye muscle surgery is the best option,” Hopkins said. The patients that Hopkins sees in the double ...