Table 2.
Baseline clinical characteristics of patients with keratoconus (n = 33).
| Characteristics | Total (n = 33) |
|---|---|
| Time since diagnosis, years | |
| Median (range) | 13 (1–41) |
| Keratoconus Stage (Amsler–Krumeich), n (%)a | |
| Stage 1 | 9 (33%) |
| Stage 2 | 8 (30%) |
| Stage 3 | 2 (7%) |
| Stage 4 | 8 (30%) |
| Habitual Visual Acuityb, logMAR | |
| Median | 0.20 |
| Range | 0–0.80 |
| Visual Correction, n (%) | |
| Unaided | 10 (30%) |
| Spectacle | 17 (52%) |
| Contact Lens | 6 (18%) |
| Soft | 2 (6%) |
| Rigid Gas Permeable | 3 (9%) |
| Scleral | 2 (6%) |
| Piggyback | 1 (3%) |
| Surgery, n (%) | |
| No previous surgery | 13 (39%) |
| Multiple surgeries | 11 (33%) |
| Crosslinking | 8 (24%) |
| Keratoplasty | 13 (39%) |
| Intrastromal Corneal Rings | 1 (3%) |
| Other | 7 (21%) |
aData not available for 6 patients.
bData not available for 3 patients.