Table 2. Pentacam measurements of six corneas with macular corneal dystrophy.
| Case no/eye | K1 (D) | K2 (D) | TKCa | CCT (μm) | Thinnest (μm) | Apex (μm) | Pattern and localization of steepening on anterior sagittal maps |
|---|---|---|---|---|---|---|---|
| 1/RE | 50.8 | 55.4 | 2–3 | 420 | 371 | 422 | Central and inferotemporal |
| 1/LE | 46.5 | 52.9 | 2 | 375 | 335 | 374 | Inferior (asymmetric bow tie with skewed radial axes) |
| 2/RE | 42.1 | 46.2 | 1–2 | 438 | 428 | 436 | Inferotemporal |
| 2/LE | 43.4 | 45.2 | 1 | 427 | 416 | 425 | Inferotemporal |
| 5/RE | 42.3 | 43.8 | 2 | 409 | 396 | 399 | Inferotemporal |
| 5/LE | 45.6 | 47.7 | 2-3 | 418 | 382 | 419 | Inferotemporal |
Abbreviations: CCT, central corneal thickness; D, diopter; K1, flat keratometry; K2, steep keratometry; LE, left eye; RE, right eye; TKC, topographic keratoconus classification.
a
As evaluated by keratoconus software module.