. 2018 Mar 15;5:5. doi: 10.1186/s40662-018-0100-7

Table 2.

The correlations between lens fitting decentration and the change of Zernike coefficients in (PCCP – PCCB) and (PCCP − OCCP)

$C_{n}^{m}$	PCCP − PCCB			PCCP − OCCP
$C_{n}^{m}$	Radial	Horizontal	Vertical	Radial	Horizontal	Vertical
$C_{3}^{- 1}$	/	/	0.693^*	−0.296^†	/	0.904^*
$C_{3}^{1}$	−0.379^*	0.730^*	/	−0.396^*	0.901^*	/
$C_{4}^{0}$	0.531^*	/	/	0.449^*	/	/
$C_{4}^{2}$	/	−0.301^†	0.275^†	/	/	/
$C_{5}^{1}$	/	0.369^*	/	/	0.340^*	/

Abbreviations: PCCP = Pupil-centered corneal Zernike coefficients of post-treatment; PCCB = Pupil-centered corneal Zernike coefficients of baseline/pre-treatment; OCCP = OK-lens-centered corneal Zernike coefficients of post-treatment

^*P < 0.001 (Pearson correlation (r) test), significant statistical significance

^†P < 0.05 (Pearson correlation (r) test), statistical significance