Research Article

Refractive Status in Eyes Implanted with Toric and Nontoric Intraocular Lenses during Combined Cataract Surgery and Microhook Ab Interno Trabeculotomy

Figure 2

The double-angle plots show the preoperative and postoperative astigmatic vectors and their means and spread in the toric IOL (a) and nontoric IOL groups (b). The black squares indicate the centroids, the red circles indicate the 95% confidence ellipses of the centroids, and the blue circles indicate the 95% confidence ellipses of the dataset.
(a)
(b)