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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