Table 1.
Demographics and Clinical Characteristics of Patients and Normal Controls
| Parameter | Patients | Normal Controls |
|---|---|---|
| Gender, n (%) | ||
| Male | 18 (60.0) | 12 (60.0) |
| Female | 12 (40.0) | 8 (40.0) |
| Age, y | 46.0 (21.0–52.8) | 50.0 (47.0–53.0) |
| Duration, d | 55.0 (27.8–60.0) | |
| Risk factor, n (%) | ||
| Contact lens use | 4 (13.3) | |
| Ocular surface injury | 5 (16.7) | |
| Agricultural | 3 (10) | |
| Dust | 1 (3.3) | |
| Metal | 1 (3.3) | |
| Tap water exposure | 3 (10) | |
| Unknown | 18 (60) | |
| Visual acuity (decimal), n (%) | ||
| >0.3 | 7 (23.3) | |
| 0.02–0.3 | 9 (30.0) | |
| <0.02 | 14 (46.7) | |
| Ulcer size, mm | 6.5 (3.3–8.0) | |
| Infiltration size, mm | 8.0 (6.3–9.0) | |
| Ulcer/infiltration depth, % | 40 (30–60) | |
| Scraping (+/−), n | 19/11 | |
| Culture (+/−), n | 21/9 | |
| Severity of AK, n (%) | ||
| Mild | 8 (26.7) | |
| Moderate | 7 (23.3) | |
| Severe | 15 (50.0) |