Table 7.
Measures of visual acuity in dry eye disease and control populations (all enrolled population)
| All cases (n = 217) | All controls (n = 67) | P-value | |
|---|---|---|---|
| Best-corrected visual acuity (study eye) | |||
| Mean (SD) | 20/24.2 (7.6) | 20/22.5 (5.6) | 0.0817 |
| Median | 20/20 | 20/20 | |
| Symptom of blurred or fluctuating vision, n (%) | |||
| None | 33 (15.2) | 49 (73.1) | |
| Mild | 52 (24.0) | 10 (15.0) | |
| Moderate | 94 (43.3) | 7 (10.5) | |
| Severe | 25 (11.5) | 0 (0) | |
| Very severe | 6 (2.8) | 0 (0) | |
| Missing | 7 (3.2) | 1 (1.5) | |
| Mean (SD) | 1.6 (1.0) | 0.4 (0.7) | <0.0001 |
| Median | 2.0 | 0 | |