Table 1.

Preoperative data for all participants

Study group	No.	Age		BSCVA
		Years	SD	LogMAR	SD
SG1	59	64.2	11.2	0.65	0.08
SG2	60	66.1	10.5	0.60	0.07
CG	61	64.8	9.9	0.63	0.11
p		0.33		0.23

SG1 = Study group 1; SG2 = Study group 2; CG = Control group; BSCVA = Best spectacles corrected visual acuity