Effect of Flat Cornea on Visual Outcome after LASIK

Table 4

Postoperative spherical equivalence stratified by change in keratometry.

Myopia group (D)	Postoperative SE (D)			value
	Mean ± SD
	D	= 5–7.9 D	D
−6 to −7.9 D	−0.4 ± 0.5	+0.2 ± 0.6	Nil
−8 to −9.9 D	Nil	−0.9 ± 1.2	−0.6 ± 1.1
−10 to −12 D	Nil	−1.0 ± 1.2	−0.9 ± 1.2

: change in keratometry; SE: spherical equivalent; ANOVA: analysis of variance.