Table 3: Pre-operative characteristics of patients with myopic astigmatism who underwent LASIK or PRK.

Pre-op. Characteristics Patients With Myopic Astigmatism Who Underwent LASIK
(273 Eye)
Patients With Myopic Astigmatism Who Underwent
PRK
(217 eye)
Min Max Mean Min Max Mean
Age 18 51 27.3 18 48 27.1
UDVA 0.01 0.70 0.12 0.01 0.8 0.20
CDVA 0.15 1.20 0.99 0.70 1.20 1.03
Sphere 0.00 -10.75 -3.42 0.00 -7.50 -2.23
Cylinder -0.15 -5.25 -1.23 -0.25 -4.75 -1.01
MRSE -0.88 -11.75 -4.03 -0.25 -7.88 -2.74
K1 37.5 47.4 43.0 36.7 46.1 43.0
K2 34.6 48.9 44.3 39.9 47.5 44.3
Kmean 38.1 48.1 43.7 37.0 46.6 43.6
Kmax 40.6 49.3 44.9 40.3 48.00 44.7
Thinnest corneal thickness 494.8 663.0 546.8 473.8 610.0 532.9