Fig. 11From: Influence of posterior corneal astigmatism on postoperative refractive astigmatism in pseudophakic eyes after cataract surgeryDouble-angle plots of difference in vector between postoperative refractive and total corneal astigmatism. The mean vector of the difference (represented by the grey rhombus larger than the other plots) was 0.12 D axis 135° (each ring = 0.5 D, outer ring = 3.0 D)Back to article page