Table 12: Change in Refractive Sphere at 12-Months Following CXL for Keratoconus*.
| Author, Year | Eyes | Mean Refractive Sphere (Mean Diopters ± SD) | |||
|---|---|---|---|---|---|
| Preop | Postop | Pre-Post Change1.20 D in 47% | P - Value | ||
| Agrawal V, 2009 (49) | 37 | −7.24 ± 4.67 D | NR | 1.20 D in 47% | 0 .005 |
| Arbelaez M, 2009 (50) | 20 | −3.84 ± 5.10 D | −2.58 ± 3.22 D | NR | 0 .033 |
| Caporossi A, 2006 (41) | 44 | NR | NR | 1.62 ± 1.03 D (R 0 to 3.75 D) | < 0.00001 |
| El-Raggal T, 2009 (53) | 15 | −3.20 ± 1.46 D | −2.73 ± 1.56 D | NR | < 0 .001 |
| Saffarian L, 2010 (54) | 92 | −1.06 ± 1.92 D | −0.87 ± 1.60 D | −0.18 ± 0.790 D | > 0 .05 |
| Vinciguerra P, 2009 (42) | 28 | −1.86 ± 2.58 D | −1.58 ± 2.64 D | NR | > 0 .05 |
*
D indicates diopters; NR, not reported; Preop, preoperative; Postop, postoperative; R, range; SD, standard deviation