Journal of Ophthalmology / 2015 / Article / Tab 4

Research Article

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 4

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

Changes of total corneal HOAsSMILEAdjusted FS-LASIKAdjusted
PriorityBetaPriorityBeta

3rd- to 6th-order HOAsMRSE−0.496<0.0010.298MRSE−0.760<0.001
CRF−0.2810.005CRF−0.2000.010

Spherical aberrationMRSE−0.442<0.0010.280MRSE−0.697<0.001
CRF−0.3350.001CRF−0.302<0.001

Vertical comaMRSE0.3380.0030.136MRSE0.3040.008
CRF0.2230.043

Horizontal comaMRSE0.2890.0120.084MRSE0.594<0.001

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