Table 2. The mean National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Rasch-transformed scores.

LFVFS25 items	Rasch-transformed score	LFSES25 items	Rasch-transformed score
Eyesight	0.00±3.87	See how people react to things	−0.25±2.38
Read ordinary print in newspapers	−0.48±2.83	Visiting with people in their homes, or at parties, or in restaurants	0.00±2.38
See well close-up	−1.37±2.41	Accomplish less	0.84±2.26
Find something on a crowded shelf	−0.29±2.35	Limited	−0.30±2.29
Read street signs or the names of stores	−0.28±2.66	Stay home most of the time	0.35±2.03
Going down steps, stairs, or curbs in dim light or at night	−0.91±2.61	Frustrated	−1.88±1.74
Notice objects off to the side while walking	−0.45±2.41	Much less control	−0.55±2.14
		Rely too much on what other people tell	−0.36±1.84
		Need a lot of help	0.03±1.99
		Do things that will embarrass	0.15±1.94

Abbreviations: LFVFS₂₅, Long-form Visual Functioning Scale₂₅; LFSES₂₅, Long-form Socioemotional Scale₂₅.

Data are presented as mean±SD.