Cyclotorsion measurement in laser refractive surgery.

Purpose: The aim of this study was to verify the presence of cyclotorsion in eyes that underwent laser refractive surgery.

Methods: This was a comparative observational study, which analyzed the medical records of 61 patients (104 eyes) who underwent laser refractive surgery and compared the axis of astigmatism of the sitting and the supine positions. Regarding the gender, 37.