Table 2.
The 25-Item National Eye Institute Visual Functioning Questionnaire composite and the subscores of refractive errors for different groups.
| Subscores | Emmetropia (N = 200) | Myopia (N = 466) | Hyperopia (N = 22) | p |
|---|---|---|---|---|
| Median (25–75a) | Median (25–75a) | Median (25–75a) | ||
| Composite | 80.5 (73.7–85.2) | 77.2 (68.3–81.9) | 79.0 (69.8–84.8) | < 0.01b |
| General health | 50 (50–75) | 50 (25–75) | 50 (50–75) | 0.14 |
| General vision | 80 (60–100) | 60 (60–80) | 80 (60–80) | < 0.01b |
| Ocular pain | 62.5 (50–75) | 62.5 (50–75) | 68.75 (50–87.5) | 0.33 |
| Near activities | 100 (91.6–100) | 100 (83.3–100) | 100 (83.3–100) | 0.09 |
| Distance activities | 100 (91.6–100) | 87.5 (75–100) | 95.8 (75–100) | < 0.01b |
| Social functioning | 100 (100–100) | 100 (87.5–100) | 100(100–100) | < 0.01 |
| Mental health | 56.2 (43.7–68.7) | 50 (43.7–62.5) | 56.2 (50–62.5) | 0.03 |
| Role difficulties | 62.5 (37.5–75) | 50 (37.5–75) | 62.5 (37.5–75) | 0.53 |
| Dependency | 58.3 (41.6–75) | 50 (41.6–75) | 66.6 (50–75) | 0.18 |
| Driving | 100 (70.8–100) | 91.6 (66.6–100) | 75 (50–100) | 0.18 |
| Color vision | 100 (100–100) | 100(100–100) | 100(100–100) | 0.06 |
| Peripheral vision | 100 (100–100) | 100(75–100) | 100(75–100) | < 0.01b |
aIndicates the 25th and 75th percentiles, or the lower and higher quartiles.
b Indicates significant higher subscale scores in the emmetropia group compared to the myopia group (p < 0.01) by χ2 test analysis.