Aberration type | Morning–midday | Midday–afternoon | ||
---|---|---|---|---|

Variation | p Value | Variation | p Value | |

Defocus (sphere) (fig 4A) | −0.7÷0.6 D | >0.05 | −0.5÷0.6 D | 0.0134 |

Cylinder (astigmatism) (fig 4B) | −0.25÷0.35 D | >0.05 | −0.2÷0.2 D | 0.0131 |

Coma (fig 4C) | −0.2÷0.2 D mm^{–1} | >0.05 | −0.1÷0.1 D mm^{–1} | 0.0125 |

Trefoil (fig 4D) | −0.50÷0.2 D mm^{–1} | >0.05 | −0.1÷0.35 D mm^{–1} | 0.031 |

Spherical aberration (fig 4E) | −0.25÷0.1 D mm^{–2} | >0.05 | −0.1÷0.2 D mm^{–2} | 0.0124 |