Increased stiffness center optic in soft contact lenses for astigmatism correction
作者： Azaam Alli , Dola Sinha
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摘要: A molded contact lens comprising a stiffer optic zone relative to the peripheral of provides an optical element for correcting astigmatism without need or substantially minimizing correction rotational misalignment. The higher elastic modulus vaults over cornea thereby allowing tear form. follows assumes shape back surface lens. combination and provide refractive error.
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