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  • Written By: Clark L. Springs, MD
    Cornea/External Disease

    Researchers retrospectively reviewed outcomes in patients who underwent penetrating keratoplasty (PK) with two different incision techniques: femtosecond generated zig-zag-shaped incision (49 eyes) or conventional blade trephination (17 eyes). At three months postop, average astigmatism was 3 D in the zig-zag group and 4.46 D in the conventional group, while 81 percent of the zig-zag group achieved best spectacle-corrected visual acuity of ≥ 20/40 compared to 45 percent in the conventional group.