Fig. 2From: Non-diffractive, toric, extended depth-of-focus intraocular lenses in eyes with low corneal astigmatismDouble-angle plots for preoperative corneal astigmatism (a) and postoperative refractive astigmatism (b) (3 months postsurgery) applying the double-angle tool [14]. Centroids, mean absolute values with standard deviations, and 95% confidence ellipses of the centroid and dataset are also shownBack to article page