The Correlation Analysis between Corneal Biomechanical Properties and the Surgically Induced Corneal High-Order Aberrations after Small Incision Lenticule Extraction and Femtosecond Laser In Situ Keratomileusis

Table 3

Stepwise multivariate linear regression analyses of factors that correlated with the alterations of the posterior corneal aberrations after SMILE and FS-LASIK.

Changes of posterior corneal HOAs	SMILE			Adjusted	FS-LASIK			Adjusted
	Priority	Beta			Priority	Beta
Vertical coma	CRF	−0.261	0.024	0.055				0.079
Horizontal coma					CRF	−0.280	0.013	0.107
					MRSE	−0.257	0.023

HOAs: high-order aberrations, CRF: corneal resistance factor, MRSE: manifest refraction spherical equivalent, and beta: standardized coefficients.