Clinical Outcomes after Complete Intracorneal Ring Implantation and Corneal Collagen Cross-Linking in an Intrastromal Pocket in One Session for Keratoconus
Table 1
Visual and refractive outcomes over time.
Mean ± SD
Variable
Preoperative
Postoperative
Value
1 Months
6 Months
1 Year
2 Years
UDVA (logMAR)
0.89 ± 0.38
0.61 ± 0.34
0.42 ± 0.26
0.33 ± 0.23
0.29 ± 0.26
=0.012
CDVA (logMAR)
0.44 ± 0.20
0.36 ± 0.22
0.22 ± 0.12
0.19 ± 0.09
0.16 ± 0.10
<0.001
Sphere (D)
−4.01 ± 3.21
−1.54 ± 2.57
−0.94 ± 2.07
−1.25 ± 0.94
−1.8 ± 0.58
<0.001
Cylinder (D)
−2.98 ± 2.67
−1.15 ± 1.78
−1.53 ± 2.10
−1.37 ± 1.43
−0.95 ± 1.54
=0.025
Mean K (D)
51.05 ± 4.51
47.27 ± 5.27
46.8 ± 4.64
47.11 ± 4.57
47.34 ± 5.85
<0.001
Corneal astigmatism (D)
4.62 ± 3.23
3.12 ± 1.92
1.66 ± 0.9
2.96 ± 1.65
2.35 ± 1.14
=0.048
CDVA = corrected distance visual acuity; K = keratometry; UDVA = uncorrected distance visual acuity. value—change from preoperatively to 1 year postoperatively (paired Student test).