Table 1 Comparison of collagen fibril diameter and interfibrillar spacing of anterior, middle and posterior stroma between Keratoconus and normal corneas, and within the same KC or normal cornea.
Stromal Zone | Corneal Area | Collagen Fibril Diameter (Mean ± SE) | Interfibrillar spacing (Mean ± SE) | ||
|---|---|---|---|---|---|
KC (n = sample size) | Normal (n = sample size) | KC (n = sample size) | Normal (n = sample size) | ||
Anterior stroma | Center | 27.08 ± 0.08* (n = 4) | 32.13 ± 0.09 (n = 4) | 37.89 ± 0.11* (n = 4) | 44.26 ± 0.16 (n = 4) |
Periphery | 26.76 ± 0.07*, † (n = 4) | 31.43 ± 0.73† (n = 4) | 39.23 ± 0.11*,† (n = 4) | 46.89 ± 0.11† (n = 4) | |
Middle stroma | Center | 27.33 ± 0.06* (n = 4) | 30.68 ± 0.08 (n = 4) | 38.02 ± 0.08* (n = 4) | 50.93 ± 0.10 (n = 4) |
Periphery | 27.47 ± 0.06*,† (n = 4) | 31.48 ± 0.06† (n = 4) | 38.32 ± 0.08*,† (n = 4) | 49.98 ± 0.12† (n = 4) | |
Posterior stroma | Center | 25.94 ± 0.06* (n = 4) | 30.29 ± 0.08 (n = 4) | 35.22 ± 0.11* (n = 4) | 52.23 ± 0.12 (n = 4) |
Periphery | 27.19 ± 0.07*,† (n = 4) | 30.69 ± 0.10† (n = 4) | 37.19 ± 0.11*,† (n = 4) | 54.98 ± 0.22† (n = 4) | |
Mean | Center | 26.82 ± 0.04* (n = 4) | 30.87 ± 0.05 (n = 4) | 37.08 ± 0.06* (n = 4) | 49.92 ± 0.08 (n = 4) |
Periphery | 27.17 ± 0.04*,† (n = 4) | 31.24 ± 0.04† (n = 4) | 38.22 ± 0.06*,† (n = 4) | 50.36 ± 0.09† (n = 4) | |
