Long-Term Visual Quality and Pupil Changes after Small-Incision Lenticule Extraction for Eyes without Preoperative Cylinder Refraction

Table 1

Preoperative patient demographics of the eyes undergoing SMILE.

	Mean ± SD
Age (years)	24.87 ± 5.52 (18 to 39)
Male-to-female ratio	0.83
Sphere refraction (D)	−4.24 ± 1.40 (−7.5 to −2)
Central corneal thickness (µm)	544.3 ± 21.4 (509 to 592)
Corrected distance visual acuity (LogMAR)	−0.07 ± 0.05 (−0.18 to 0.00)