Fig. 2From: Comparison between Wavefront-optimized and corneal Wavefront-guided Transepithelial photorefractive keratectomy in moderate to high astigmatismSingle angle polar plots of the target-induced astigmatism vector (a), surgically-induced astigmatism vector (b), difference vector (c), and correction index (d) after wavefront-optimized (WFO) and corneal wavefront-guided (CWFG) transepithelial photorefractive keratectomy (trans-PRK) at 6 months postoperativelyBack to article page