Table 5.

Correlations between BCVA and corneal aberrations at 4- and 6 mm optical zones 12 months after surgery

	UT-DSAEK 4.0 mm	DMEK 4.0 mm	UT-DSAEK 6.0 mm	DMEK 6.0 mm
	r	r	r	r
HOAs total	− 0.091	0.618**	0.213	0.448
HOAs front	0.647**	0.912**	0.334	0.500*
HOAs back	−0.091	− 0.059	0.334	0.431
Astigmatism total	−0.030	0.529*	0.030	0.059
Astigmatism front	0.698**	0.529*	0.577*	0.059
Astigmatism back	−0.213	−0.309	−0.091	− 0.412
Coma total	0.493*	0.418	0.954**	0.409
Coma front	0.556*	0.322	0.880**	0.413
Coma back	−0.273	0.448	−0.516*	0.344
Spherical aberration total	0.375	0.446	−0.395	0.425
Spherical aberration front	0.638**	0.435	−0.455	0.224
Spherical aberration back	0.063	−0.405	−0.395	0.224

Spearman’s correlation coefficients (r) are reported. UT-DSAEK= ultrathin Descemet stripping automated endothelial keratoplasty; DMEK= Descemet membrane endothelial keratoplasty; HOAs= high order aberrations; *p < 0.05; **p < 0.01