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    By Roger F. Steinert, MD
    Laser Surgery Education Center
    Cataract/Anterior Segment

    Dr. Steinert illustrates a typical posterior capsulotomy performed on a patient with a multifocal IOL. He prefers a central button lens because it

    • Improves the focus through magnification
    • Eliminates blinking and helps stabilize the patient's eye
    • Eliminates any issue of the corneal optics interfering with the fine focus of the Nd:YAG laser