Table 4.

The National Eye Institute Visual Function Questionnaire (VFQ-25) Composite Score and 12 Subscales in Patients with Glaucoma before and after Trabeculectomy (n = 78)

VFQ-25 Questionnaire Scale	Preoperatively	Postoperatively	P value
General health	52.3 ± 11.7	54.2 ± 13.2	0.10
General vision	57.3 ± 15.7	60.7 ± 15.9	0.07
Ocular pain	71.5 ± 21.4	77.3 ± 19.2	0.01
Near activities	65.1 ± 18.0	68.9 ± 16.1	0.03
Distance activities	66.8 ± 16.9	68.3 ± 17.8	0.35
Social functioning	76.6 ± 17.0	78.6 ± 15.7	0.17
Mental health	64.5 ± 21.4	66.4 ± 22.3	0.33
Role difficulties	75.9 ± 20.6	76.4 ± 20.6	0.81
Dependency	77.0 ± 22.7	78.8 ± 22.2	0.33
Driving	59.5 ± 25.3	60.4 ± 29.4	0.66
Color vision	80.8 ± 17.5	82.1 ± 18.9	0.48
Peripheral vision	56.7 ± 21.9	58.3 ± 23.0	0.51
Composite score	67.3 ± 16.0	70.0 ± 16.8	0.07