Research Article

Visual and Refractive Outcomes of Small-Incision Lenticule Extraction in High Myopia: 5-Year Results

Table 1

Preoperative characteristics.

ParameterMean ± SD (range)

Preoperative SE (D)−7.47 ± 1.09 (−6.00 to −10.00)
Preoperative astigmatism (D)0.97 ± 0.80 (0.00 to 4.00)
Preoperative mean keratometry (D)43.63 ± 1.14 (41.61 to 45.56)
Preoperative thinnest corneal thickness (µm)544 ± 41 (511 to 586)
Intended maximum lenticule thickness (µm)137 ± 17 (96 to 166)

SD = standard deviation; SE = spherical equivalent; D = diopters.