Aberrometric, Keratometric, and Visual Outcomes After Trans-Epithelial Topography-Guided Phototherapeutic Keratectomy for the Treatment of Irregular Corneas.

There was a trend towards improvement from 6 months to 12 months; however, these changes did not reach statistical significance (P=0.13) ( Figure 3 ).

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There was an initial increase 1 month postoperatively in topographic astigmatism from 2.44±1.90 D to 2.52±1.77 D; this was followed by a decreasing trend 3 months postoperatively, reaching lower-than baseline levels at final follow-up (2.24±2.04D).

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