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Table 3 RMS ± standard deviations of anterior corneal higher-order aberrations of all groups

From: Corneal higher order aberrations by Sirius topography and their relation to different refractive errors

 

The study groups

 

Control

Myopia

Astigmatism

Hypermetropia

P-value

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

 

RMS total HOAs

0.18 ± 0.09

0.24 ± 0.14

0.31 ± 0.16

0.26 ± 0.17

0.0001*

RMS trefoil

0.11 ± 0.08

0.11 ± 0.07

0.15 ± 0.12

0.12 ± 0.08

0.0001*

RMS coma

0.09 ± 0.08

0.12 ± 0.11

0.17 ± 0.14

0.15 ± 0.15

0.0501

RMS Spherical Ab

0.05 ± 0.07

0.03 ± 0.14

0.00 ± 0.16

0.03 ± 0.14

0.0136*

  1. The p-value tests any significant difference of HOAs variables between the four groups using the Kruskal–Wallis test
  2. RMS Root Mean Square, N number, SD standard deviation, Ab Aberrations
  3. *Reached statistical significance (P < 0.05)
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BMC Ophthalmology

ISSN: 1471-2415

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