The Impact of Unilateral or Bilateral Cataract Surgery on Visual Acuity and Life Quality of Elderly Patients

Table 3

Comparison of VRQOL score and weighted average LogMAR BCVA in patients undergoing either unilateral or bilateral cataract extraction, .

	Unilateral cataract extraction patients	Bilateral cataract extraction patients	value (Mann-Whitney test)
Preoperative VRQOL score (SD)	77.02 (30.08)	71.85 (25.24)	0.175
3-month postoperative VRQOL score (SD)	100.32 (20.95)	102.55 (17.65)	0.731
The improvement of VRQOL score (SD)	23.26 (17.89)	30.89 (25.78)	0.112
Preoperative weighted average LogMAR BCVA (SD)	0.76 (0.62)	0.86 (0.44)	0.137
3-month postoperative weighted average LogMAR BCVA (SD)	0.36 (0.36)	0.26 (0. 24)	0.242
The improvement of weighted average LogMAR BCVA (SD)	0.40 (0.37)	0.59 (0.44)	0.024^*