Table 3.
Vision-related quality of life mean scores among patients attending the diabetes and eye clinics.
| Subscales of WHO-PBD_VF-20 questionnaire | DR (n = 50), mean (SD) | No DR (n = 50), mean (SD) | p value |
|---|---|---|---|
| Overall self-rating | 2.6 (0.7) | 2.2 (0.4) | <0.001 |
| General functioning | 18.0 (7.6) | 14.7 (3.3) | 0.005 |
| Distance vision difficulty | 7.7 (3.5) | 6.0 (1.4) | |
| Near vision difficulty | 7.7 (3.1) | 6.4 (1.7) | |
| Role limitations | 1.5 (0.8) | 1.2 (0.5) | |
| Colour vision difficulty | 1.1 (0.6) | 1.0 (0.0) | |
| Psychosocial | 6.7 (2.6) | 5.3 (1.0) | <0.001 |
| Mental well-being | 3.9 (1.4) | 3.2 (1.0) | |
| Social functioning limitations | 1.5 (0.8) | 1.1 (0.2) | |
| Dependency | 1.3 (0.7) | 1.0 (0.1) | |
| Visual symptoms | 6.1 (1.5) | 4.8 (1.2) | <0.001 |
| Light/dark adaptation | 2.2 (0.8) | 1.6 (0.6) | |
| Ocular pain/discomfort | 2.0 (0.5) | 1.6 (0.5) | |
| Glare | 1.9 (0.8) | 1.6 (0.6) |
WHO-PBD VF-20 questionnaire: World Health Organization Prevention of Blindness and Deafness Visual Function-20 Questionnaire.