Clinical Study

Corneal Backscatter Analysis by In Vivo Confocal Microscopy: Fellow Eye Comparison of Small Incision Lenticule Extraction and Femtosecond Laser-Assisted LASIK

Table 1

Preoperative characteristics.

SMILE ( )Femto-LASIK ( )
Mean ± SDMean ± SD

Preoperative spherical equivalent (D) 0.120
Preoperative mean keratometry (Keratometric D) 0.851
Preoperative thinnest corneal pachymetry ( m) 0.954
Preoperative endothelial cell count (cells/mm2) 0.160
Thickness of the removed tissue* ( m) 0.761

: number of eyes; SD: standard deviation; D: diopters; m: micrometer.
*Intended maximum lenticule thickness in the SMILE group; intended maximum ablation depth in the femto-LASIK group.