Fig. 3From: Clinical outcomes of single-step transepithelial photorefractive keratectomy and off-flap epipolis-laser in situ keratomileusis in moderate to high myopia: 12-month follow-upSingle-angle polar plots of the target-induced astigmatism vector and surgically induced astigmatism at 12 months postoperatively in the single-step transepithelial photorefractive keratectomy (TPRK) group (A, B) and off-flap epipolis-laser in situ keratomileusis (Epi-LASIK) group (C, D), respectivelyBack to article page