3.8 ± 2.8 D) sutures showed that the change in the corneal base curve was significantly smaller in the excimer group than the control group (P < 0.004). Keratometry before removal of the first (-1.7 ± 2.3 D vs. Refractometry, Zeiss keratometry, and Tomey corneal topography were performed before removal of the first suture (15.2 ± 4.2 mo) and immediately before and at least 6 weeks after removal of the second suture (21.4 ± 5.6 mo). PK was performed in 134 patients (mean age 51 ± 18 yrs) using either the excimer laser or motor trephination and a double running cross-stitch suture. We assessed the impact of sequential double running suture removal on corneal curvature after penetrating keratoplasty (PK), comparing mechanical and nonmechanical excimer laser trephination.
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