Table 3.

 Comparisons between preoperative and postoperative values of combined operation

	Preoperative	Postoperative	Difference between preoperative and postoperative values	p Value
Mean IOP (mm Hg) (SD)	16.6 (5.8)	10.9 (4.1)	−6.0 (4.9)	<0.00001
Mean axial length (mm) (SD)	24.10 (0.94)	23.98 (0.96)	−0.12 (0.06)	<0.00001
Mean keratometry (dioptres) (SD)	43.76 (1.15)	44.00 (1.24)	0.23 (0.46)	0.02
Mean refractive error (spherical equivalent in dioptres) (SD)	−0.23 (0.12)	−0.01 (0.90)	0.22 (0.91)	0.25