Risk Factors in Post-LASIK Corneal Ectasia

Table 2

Preoperative clinical features of the subjects.

	Mean (min–max)
UDVA*	0.18±0.22 (0.01–0.9)
CDVA**	0.46±0.26 (0.01–1.0)
Spherical value (D)	−3.40±4.29 (−18.0–0)
Cylindrical value (D)	−3.10±1.59 (−7.5–0.75)
CTT (𝜇m)***	447.43±42.41 (350–527)
𝑘1 (D)****	45.10±4.63 (32–57)
𝑘2 (D)****	45.51±5.64 (36–59)
𝐾mean. (D)****	45.69±4.63 (37–56)

∗UDVA: uncorrected distance visual acuity, **CDVA: corrected distance visual acuity, ***CCT: central corneal thickness, and ****𝑘₁,𝑘₂,𝑘_ort.: corneal curvature radii.