Figure 2 (A) Actual pseudophakic refractions plotted against calculated pseudophakic refractions; the two values were not similar by the Tukey test. (B) The absolute values of the differences between the actual pseudophakic refraction and the calculated pseudophakic refraction. As a group, there tended to be more difference from the actual pseudophakic refraction for the calculated values than for the estimated values (fig 3). “More” refers to the values 6.22 and 7.24 D.