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    Visual outcomes and incidence of PCO associated with a novel IOL

    Clinical findings indicate association with low rate of PCO and good visual outcomes


    Glistening-free hydrophobic IOL

    The glistening-free, hydrophobic acrylic IOL known as the enVista (Bausch and Lomb Inc.) is a single-piece, monofocal, hydrophobic acrylic, aspherically neutral IOL. The lens optic and haptics of the IOL are composed of a hydroxyethyl methacrylate-polyethylene glycol phenyl ether acrylate-styrene copolymer that is cross-linked with ethylene glycol dimethacrylate.

    The lens avoids glistenings through pre-hydration and packing in 0.9% saline. It is 4% water, ensuring it remains in equilibrium with the environment in saline; there is no water movement in or out of the IOL.

    This lens, which is the only FDA-approved glistening-free, hydrophobic IOL, also has a 360° square edge in order to minimise PCO. Additional design features include step-vaulted haptics, designed to vault the optic posteriorly for direct contact with the capsular bag and prevent LEC migration, and modified-C fenestrated haptics designed to evenly transmit forces to the optic, thus promoting uniform pressure on the posterior edge.

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