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Table 1 Zernike aberrations in 1.0, 3.0, and 5.0 mm diameters

From: Influence of pterygium size on corneal higher-order aberration evaluated using anterior-segment optical coherence tomography

Diameter

1.0 mm

3.0 mm

5.0 mm

Coma aberration (μm)

0.07 ± 0.09

0.30 ± 0.54

1.08 ± 1.21

Spherical aberration (μm)

0.10 ± 0.16

0.10 ± 0.28

−0.02 ± 0.53

P value

0.0069

< 0.001

< 0.001

Coma-like aberration (μm)a

0.21 ± 0.33

0.53 ± 0.89

2.43 ± 2.56

Spherical-like aberration (μm)a

0.27 ± 0.42

0.49 ± 0.87

1.63 ± 1.76

P value

< 0.001

0.14

< 0.001

Higher-order aberration (μm)a

0.35 ± 0.53

0.74 ± 1.24

2.95 ± 3.09

  1. a: RMS values