Table 2.

Distribution of the 25-item National Eye Institute Visual Function Questionnaire (NEI-VFQ-25) composite and subscale scores^a

Score	VFQ-25 composite	General health	General vision	Ocular pain	Near vision	Far vision	Social functioning	Mental health	Role functioning	Dependency	Drivingb	Peripheral vision	Color fision
0–39	35	18	31	2	47	55	49	29	31	35	(25)	35	57
40–59	27	39	31	8	18	19	8	16	16	31	(50)	31	9
60–79	22	16	22	20	6	10	22	24	35	12	(25)	12	9
80–100	16	27	16	70	29	16	21	31	18	22		22	25
Mean ± sD	52.3 ± 22.2	60.7 ± 30.3	45.9 ± 26.8	86.2 ± 18.3	49.2 ± 30.3	42.6 ± 25.9	49.0 ± 29.2	58.1 ± 29.1	56.6 ± 25.8	50.5 ± 27.5		50.5 ± 32.1	46.8 ± 36.7
Median		50	40	100	42	33	50	62.5	62.5	50		50	25

^aData are given as percentages unless otherwise indicated.

^bOnly 4 patients participated in the subscale “Driving”.