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 ...
The lens works like a series of prisms, the ones on the edges bending light more sharply and the center bending it hardly at all. Compared to a conventional lens, a Fresnel will be thinner and ...
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