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. 2016 May 12;8:17–21. doi: 10.4137/OED.S38364

Table 1.

Preoperative and last follow-up findings (n = 80 eyes).

PRE QX DATA
(MEAN ± SD)
POP QX DATA
(MEAN ± SD)
P
Sphere (D) −2.79 ± 3.04 −3.02 ± 3.08 0.64
Cylinder* (D) −3.22 ± 2.07 −3.15 ± 1.84 0.82
Spherical equivalent (D) −4.41 ± 3.43 −4.6 ± 3.31 0.72
Flatter keratometry (D) 46.2 ± 4.1 45.7 ± 4.4 0.46
Steeper keratometry (D) 50.5 ± 5.8 50.5 ± 6.14 1.0
Mean keratometry (D) 48.4 ± 4.8 48.3 ± 5.1 0.9
Distance corrected visual acuity (LogMAR) 0.29 ± 0.25 0.25 ± 0.24 0.3
Pachymetry (microns) 470 ± 52.2 471 ± 60.5 0.91
Endothelial count (cells/mm2) 2715 ± 317 2552 ± 263 0.005
Corneal hysteresis 8.76 ± 1.46 8.40 ± 1.85 0.17
Corneal resistance factor 7.58 ± 1.54 7.52 ± 2.11 0.39

Note:

*

Negative cylinder notation.