Table 1.
Comparison of stromal haze, polymegathism and pleomorphism of corneal layers in between stage 1, stage 2 and stage 3 keratoconus (KC) subgroups
| Parameters | Stage 1 KCa (n=9) | Stage 2 KCa (n=21) | Stage 3 KCa (n=17) |
|---|---|---|---|
| Anterior stromal * haze (eyes) | Grade 0: 3 (33.33%) Grade 1: 4 (44.45%) Grade 2: 2 (22.22%) |
Grade 0: 4 (19.05%) Grade 1: 11(52.38%) Grade 2: 6 (28.57%) |
Grade 0: 3 (17.65%) Grade 1: 12 (70.59%) Grade 2: 2 (11.76%) |
| Posterior stromal * haze (eyes) | Grade 0: 5 (55.56%) Grade 1: 4 (44.44%) |
Grade 0: 13 (61.90%) Grade 1: 8 (38.10%) |
Grade 0: 6 (35.29%) Grade 1: 8 (47.06%) Grade 2: 3 (17.65%) |
| Polymegathism (Average) | 40.87% | 40.70% | 43.14% |
| Pleomorphism (Average) | 33.20% | 36.14% | 37.30% |
a
KC: Keratoconus.
n: Number of patients with keratoconus.
*
Stromal haze is graded based on the grading scale designed by Hollingsworth et al. Ophthalmic Physiol Opt. 2005; 25:254–260.