Explorative data for the mean values of corneal power derived from 3 repeat measurements prior to cataract surgery, including keratometry, corneal back surface power, and RealPower decomposed into power vector components (upper block) in terms of spherical equivalent power (SEQ), and the projections of the astigmatism to the 0°/90° axis (C0) and to the 45°/135° axis (C45). In the middle and lower block the corresponding data are shown for the Fourier analysis within the central 3 mm and 6 mm zones. SD refers to the standard deviation, and the 2.5% quantile and 97.5% quantile to the lower and upper boundaries of the 95% confidence intervals.

Explorative data for the mean values of corneal power derived from 3 repeat measurements prior to cataract surgery, including keratometry, corneal back surface power, and RealPower decomposed into power vector components (upper block) in terms of spherical equivalent power (SEQ), and the projections of the astigmatism to the 0°/90° axis (C0) and to the 45°/135° axis (C45). In the middle and lower block the corresponding data are shown for the Fourier analysis within the central 3 mm and 6 mm zones. SD refers to the standard deviation, and the 2.5% quantile and 97.5% quantile to the lower and upper boundaries of the 95% confidence intervals.