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Table 2 Preoperative data on refractive and visual acuity and corrected data

From: Mutual comparative analysis: a new topography-guided custom ablation protocol referencing subjective refraction to modify corneal topographic data

  Mean ± SD Range
Sphere (M)(D) -5.29 ± 1.64 -0.75 to -9.00
Cylinder (M)(D) -0.78 ± 0.68 -5.00 to 0.00
Axis (M)(°) 81.74 ± 69.46 0.00 to 180
CDVA 0.88 ± 0.13 0.10 to 1.0
UDVA 0.16 ± 1.89 0.02 to 1.0
Cylinder (T)(D) -1.43 ± 0.99 -5.89 to -0.02
Axis (T)(°) 75.77±79.52 0.00 to 180
Sphere (C)(D) -5.14 ± 1.59 -9.00 to -0.75
Cylinder (C)(D) -0.99 ± 0.80 -5.25 to 0.00
Axis (C)(°) 75.20 ± 72.39 0.00 to 180.00
  1. M= manifest, T= topographic, C= corrected, CDVA= corrected distance visual acuity, UDVA= uncorrected distance visual acuity