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Table 3 Item analysis

From: Psychometric properties of the Greek version of the NEI-VFQ 25

Item Missing responses Floor responses Ceiling responses
  Number % Number % Number %
1. General Health: 5-level health rating 1 0.5 14 8.9 6 3.8
2. General Vision: 6-level general vision 1 0.5 1 0.6 6 3.8
3. Mental Health: Amount true: worry 2 1.3 21 13.4 11 7.0
4. Ocular Pain: Amount pain 2 1.3 1 0.6 55 35.0
5. Near Vision: Reading normal newsprint 4 2.5 21 13.4 38 24.2
6. Near Vision: See well up-close 1 0.5 1 0.6 46 29.3
7. Near Vision: Finding objects on crowded shelf 1 0.5 5 3.2 88 56.1
8. Distance Vision: Reading street signs 2 1.3 6 3.8 64 40.8
9. Distance Vision: Going down stairs at night 2 1.3 2 1.3 61 38.9
10. Peripheral Vision: Seeing objects off to side 2 1.3 1 0.6 82 52.2
11. Social Function: Seeing how people react 2 1.3 2 1.3 99 63.1
12. Color Vision: Difficulty matching clothes 1 0.5 1 0.6 101 64.3
13. Social Function: Visiting others 1 0.5 4 2.5 114 72.6
14. Distance Vision: Going out to movies/plays 6 3.8 56 35.7 56 35.7
15. Driving: Daylight familiar places 21 13.4 84 53.5 52 33.1
16. Driving: At night 50 68.2 1 0.6 12 7.6
17. Role Limitation: Accomplish less 8 5.1 6 3.8 53 33.8
18. Role Limitation: Limited in endurance 10 6.4 6 3.8 53 33.8
19. Ocular Pain: Amount time: pain 8 5.1 1 0.6 73 46.5
20. Dependency: Stay home most of time 6 3.8 14 8.9 80 51.0
21. Mental Health: Amount true: frustrated 9 5.7 11 7.0 76 48.4
22. Mental Health: Amount true: no control 12 7.6 6 3.8 84 53.5
23. Dependency: Rely too much on other's word 12 7.6 4 2.5 92 58.6
24. Dependency: Need much help from others 10 6.4 6 3.8 89 56.7
25. Mental Health: Amount true: embarrassment 9 5.7 8 5.1 100 63.7