Table 4.

Fit Statistics of the NEI VFQ‐25 and VF‐14 using Rasch analysis.

Items of the NEI VFQ‐25	Measure	Infit MnSq	Outfit MnSq	Items of the VF‐14	Measure	Infit MnSq	Outfit MnSq
General health	2.20	1.23	1.62	Reading small print	1.13	1.89	1.96
General vision	1.25	1.61	2.15	Reading newspaper	0.57	1.21	1.25
Worry about eyesight	0.38	1.31	1.30	Reading large print	−0.58	0.68	0.69
Pain around the eyes	−0.86	1.33	1.54	Recognizing people	−1.21	1.17	1.15
Reading normal newsprint	1.05	1.65	1.50	Seeing stairs	−0.75	0.74	0.73
Seeing well up close	0.88	1.54	1.38	Reading traffic signs	−0.27	0.71	0.71
Finding objects on a crowded shelf	−0.37	0.56	0.49	Doing fine handwork	0.84	1.40	1.43
Reading street signs	−0.30	0.50	0.45	Writing checks	−0.62	0.75	0.72
Going downstairs at night	0.07	0.76	0.67	Playing games	−0.78	0.58	0.56
Seeing objects off to the side	−0.35	0.47	0.42	Taking part in sports	−0.94	0.74	0.72
Seeing how people react	−0.91	0.71	0.52	Preparing meals	−1.15	0.65	0.62
Matching clothes	−1.03	0.85	0.48	Watching TV	−0.39	0.78	0.78
Visiting others	−0.88	0.69	0.45	Driving in daylight	1.68	1.91	1.80
Going out to movies/plays	−0.06	0.80	0.68	Driving at night	2.47	1.71	1.59
Driving during daytime	−0.21	2.33	1.70
Driving at night	0.76	2.04	1.57
Driving in difficult conditions	0.70	2.03	1.53
Accomplish less	0.29	0.92	0.82
Limited endurance	0.34	0.84	0.73
Amount of time in pain	−0.66	1.15	0.76
Stay home most of the time	−0.33	0.95	0.70
Frustrated	−0.38	1.05	0.84
No control	−0.34	1.01	0.73
Rely too much on others' words	−0.39	0.94	0.64
Need much help from others	−0.35	0.94	0.65
Embarrassment	−0.49	0.83	0.54

MnSq = mean square, NEI VFQ‐25 = National Eye Institute Visual Functioning Questionnaire‐25, VF‐14 = Visual Function Index.