PMC2968743_01
Intraoperative photography (a) showing the correlation between the ablated stroma (coarse surface) after transepithelial phototherapeutic keratectomy (t-PTK) and the preoperative corneal topography (b).
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fig1
There was a correlation between the localized ablated stroma and the preoperative topography (Figure 1).
Preoperative (left) and one-month postoperative (right) topography (Technomed C-Scan, Baesweiler, Germany) of the keratoconic patient treated with combined transepithelial phototherapeutic keratectomy and collagen cross-linking with riboflavin and UVA irradiation.
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fig2
Corneal topography revealed a significant improvement (Figure 2) which remained stable during the six-month follow-up period.