Fig. 4From: Clinical outcomes of Transepithelial photorefractive keratectomy to treat low to moderate myopic astigmatismAchieved versus attempted spherical equivalent corrections 6 months postoperatively (a). Achieved versus attempted astigmatism corrections 6 months postoperatively (b). The red solid line indicates the outcome of linear regression analysis, the area between two dotted lines mean within ±0.50DBack to article page