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Table 5 Changes in UDVA, corneal curvature, IOP and corneal biomechanical parameters After LASIK Xtra

From: Corneal epithelial remodeling after femtosecond laser-assisted in situ keratomileusis combined with intraoperative accelerated corneal collagen crosslinking for myopia: a retrospective study

 

Mean ± SD

Parameter

Pre-op

6-month Post-op

12-month Post-op

UDVA (logMAR)

1.38 ± 0.23

0.04 ± 0.08*

0.05 ± 0.09*

Ks (D)

44.68 ± 1.51

39.24 ± 2.08*

39.36 ± 2.04*

Kf (D)

43.35 ± 1.50

38.38 ± 1.93*

38.43 ± 1.82*

AvgK (D)

44.01 ± 1.44

38.81 ± 1.99*

38.85 ± 1.96*

Cyl (D)

1.34 ± 0.85

0.86 ± 0.46*

0.92 ± 0.48*

IOPcc (mmHg)

15.46 ± 3.33

13.71 ± 2.20*

13.80 ± 1.85*

IOPg (mmHg)

13.21 ± 3.40

9.34 ± 2.16

9.37 ± 2.33*

CRF (mmHg)

8.63 ± 1.37

6.16 ± 1.26*

6.12 ± 1.38*

CH (mmHg)

9.09 ± 1.19

7.58 ± 1.21*

7.51 ± 1.12*

  1. LASIK Xtra Femtosecond laser-assisted in situ keratomileusis combined with intraoperative accelerated corneal collagen crosslinking, Pre-op Preoperative, Post-op Postoperative, UDVA Uncorrected distance visual acuity, Ks Steepest keratometry, Kf Flattest keratometry, AvgK Front average keratometry, Cyl Keratometric astigmatism, IOPcc Corneal compensated intraocular pressure, IOPg Goldmann-correlated intraocular pressure, CRF Corneal resistance factor, CH Corneal hysteresis, mmHg Millimeters of mercury, logMAR Logarithm of the minimum angle of resolution, D Diopters, mmHg Millimeters of mercury
  2. *P value was statistically significant differences between postoperative and baseline