US7264354B2 - Method and apparatus for correcting vision using an electro-active phoropter - Google Patents

An electro-active phoropter and a method of using the electro-active phoropter to measure a patient’s vision prescription is disclosed. The electro-active phoropter includes a series of individually addressable electro-active lenses. The lenses have either a positive or negative optical power …

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