US Patent 7,780,300

A large, thin, variable focus lens that would be practical in a variety of applications, such as eyeglasses. An example of the present invention is a surface that can be deformed to a desirable shape in a simple, controllable fashion. In particular, a surface shape with desirable optical properties is achievable. The surface has the ability to produce a reflective or refractive surface with a variable optical power.

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