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Table 1 Preoperative demographics of the study population

From: Safety and efficacy of VisuMax® circle patterns for flap creation and enhancement following small incision lenticule extraction

Parameter   
Eyes 28 (12 OD/16 OS)  
Male/Female 46 % / 54 %  
  Mean ± SD Range
Age (mean) 36 ± 11 years 19 to 57 years
Manifest Spherical Equivalent (D) −0.74 ± 0.80 0.375 to −2.875
Manifest Cylinder (D) −0.7 ± 0.34 0 to −1.25