Research Article
Evaluation of a Tangential Map-Based Nomogram for Intrastromal Corneal Ring Segments’ Implantation in Keratoconus: One Year Results
Table 8
The value of change at 12 months for both groups with different cone locations. ThL: thinnest corneal location.
| | Central cones | Paracentral | Peripheral | Axial (n = 2) | Tangential (n = 4) | | Axial (n = 8) | Tangential (n = 18) | | Axial (n = 24) | Tangential (n = 6) | |
| Δ UDVA | 0.2 ± 0.1 | 0.3 ± 0.1 | 0.2 | 0.23 ± 0.1 | 0.35 ± 0.2 | 0.5 | 0.15 ± 0.1 | 0.4 ± 0.1 | 0.001 | Δ CDVA | 0.2 ± 0.08 | 0.3 ± 0.05 | 0.5 | 0.25 ± 0.07 | 0.4 ± 0.1 | 0.3 | 0.1 ± 0.1 | 0.45 ± 0.05 | 0.002 | Δ MRSE | 4.2 ± .1 | 5.1 ± 1.6 | 0.6 | 4.6 ± 1.4 | 5.6 ± 2.3 | 0.4 | 3.3 ± 0.9 | 5.3 ± 2.7 | 0.01 | Δ Kmax | −5.1 ± 1.3 | −6.3 ± 2.3 | 0.3 | −5.5 ± 2.09 | −5.9 ± 1.69 | 0.4 | −6.3 ± 0.8 | −6.5 ± 1.1 | 0.06 | Δ Km | −4.5 ± 1.2 | −5.8 ± 1.4 | 0.3 | −4.6 ± 1.3 | −6.7 ± 1.8 | 0.2 | −4.9 ± 2.5 | −5.2 ± 1.5 | 0.1 | Δ Q | −0.4 ± 0.2 | −0.6 ± 0.2 | 0.4 | −0.5 ± 0.2 | −0.7 ± 0.4 | 0.5 | −0.5 ± 0.6 | −0.5 ± 0.3 | 0.5 | Δ ThL | 26.3 ± 1.5 | 22.4 ± 9.2 | 0.2 | 24.8 ± 2.5 | 27 ± 12.7 | 0.3 | 27.2 ± 11.2 | 26.1 ± 10.3 | 0.7 |
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