Postoperative Corneal and Surgically Induced Astigmatism following Superior Approach Manual Small Incision Cataract Surgery in Patients with Preoperative Against-the-Rule Astigmatism

Figure 2

Double-angle plots of preoperative, 12-week postoperative, and surgically induced astigmatism. Coordinates of the preoperative astigmatism (a) are more clustered around its centroid value than the 12-week postoperative astigmatism (b) and the SIA (c). The coordinates are shown in red and the centroid value is shown in blue.

(a)

(b)

(c)