Table 3. The National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Rasch-transformed scores analysed based on laterality of corneal graft and employment status.

Items	Unilateral corneal graft (n=22)	Bilateral corneal grafts (n=8)	P-value	Unemployed or retired after operation (n=13)	Employment status unchanged (n=17)	P-value
LFVFS25
Eyesight	−0.10	0.26	0.86	1.74	−1.34	0.02
Read ordinary print in newspapers	−0.88	1.01	0.07	1.08	−1.64	0.02
See well close-up	−1.86	−0.01	0.08	−1.07	−1.60	0.57
Find something on a crowded shelf	−0.64	0.67	0.27	0.64	−1.00	0.07
Read street signs or the names of stores	−0.61	0.62	0.24	0.93	−1.21	0.03
Going down steps, stairs, or curbs in dim light or at night	−1.57	0.91	0.03	−0.66	−1.11	0.65
Notice objects off to the side while walking	−1.10	1.35	0.05	0.44	−1.12	0.09
LFSES25
See how people react to things	−1.01	1.84	0.02	0.03	−0.47	0.58
Visiting with people in their homes, or at parties, or in restaurants	−0.47	1.46	0.08	1.12	−0.91	0.02
Accomplish less	−1.20	0.14	0.05	−0.04	−1.46	0.08
Limited	−0.73	0.86	0.04	0.90	−1.22	0.01
Stay home most of the time	0.09	1.27	0.31	1.67	−0.87	0.00
Frustrated	−1.85	−1.98	0.83	−1.16	−2.47	0.12
Much less control	−1.01	0.76	0.08	0.41	−1.58	0.02
Rely too much on what other people tell	−0.53	0.06	0.50	0.63	−1.20	0.02
Need a lot of help	−0.15	0.40	0.54	1.23	−0.83	0.02
Do things that will embarrass	−0.08	0.59	0.45	1.73	−0.98	0.00

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