Short- and long-term changes in corneal aberrations and axial length induced by orthokeratology in children are not correlated

Jacinto Santodomingo-Rubido*, César Villa-Collar, Bernard Gilmartin, Ramón Gutiérrez-Ortega, Asaki Suzaki

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

PURPOSE: To assess the correlation between changes in corneal aberrations and the 2-year change in axial length in children fitted with orthokeratology (OK) contact lenses.

METHODS: Thirty-one subjects 6 to 12 years of age and with myopia −0.75 to −4.00DS and astigmatism ≤1.00DC were fitted with OK. Measurements of axial length and corneal topography were taken at regular intervals over a 2-year period. Corneal topography at baseline and after 3 and 24 months of OK lens wear was used to derive higher-order corneal aberrations (HOA) that were correlated with OK-induced axial length changes at 2 years.

RESULTS: Significant changes in C3, C4, C4, root mean square (RMS) secondary astigmatism and fourth and total HOA were found with both 3 and 24 months of OK lens wear in comparison with baseline (all P0.05). Coma angle of orientation changed significantly pre-OK in comparison with 3 and 24 months post-OK as well as secondary astigmatism angle of orientation pre-OK in comparison with 24 months post-OK (all P0.05).

DISCUSSION: Short-term and long-term OK lens wear induces significant changes in corneal aberrations that are not significantly correlated with changes in axial elongation after 2-years.

Original languageEnglish
Pages (from-to)358–363,
JournalEye and Contact Lens
Volume43
Issue number6
Early online date20 Jun 2016
DOIs
Publication statusPublished - 1 Nov 2017

Bibliographical note

Attribution Non-commercial 3.0 (CCBY NC)
This is a non-final version of an article published in final form in Santodomingo-Rubido, J., Villa-Collar, C., Gilmartin, B., Gutiérrez-Ortega, R., & Suzaki, A. (2016). Short- and long-term changes in corneal aberrations and axial length induced by orthokeratology in children are not correlated. Eye and Contact Lens, In press.

Keywords

  • cornea
  • aberrations
  • topography
  • myopia progression
  • orthokeratology
  • contact lenses
  • axial length

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