Table 2

Preoperative and postoperative endothelial cell density and lenticule thickness according to the degree of myopia in eyes undergoing SMILE

Low myopiaModerate myopiaHigh Myopia
(≥−3 D)(−3 D>, ≥−6 D)(<−6 D)
Number of eyes (%)14 (27%)32 (62%)6 (12%)
Lenticule thickness (µm)48.6±10.291.0±13.1128.3±8.6
Preoperative ECD (cells/mm2)2859±1912804±3002676±215
Postoperative ECD (1 year)(cells/mm2)2834±2292736±3322564±289
Endothelial cell loss (%)0.8±5.92.1±10.14.3±6.1
  • ECD, endothelial cell density; SMILE, small incision lenticule extraction.