A New Method to Analyze the Relative Corneal Refractive Power and Its Association to Myopic Progression Control With Orthokeratology

We present a new method for analyzing relative corneal refractive power (RCRP) in children undergoing orthokeratology and explore its potential association to effective myopic control. A total of 55 children aged 8 to 12 years participated in the study. Axial growth was calculated as the difference...

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Bibliographic Details
Published in:Translational vision science & technology 2018-11, Vol.7 (6), p.17-17
Main Authors: Wang, Jinghui, Yang, Dan, Bi, Hua, Du, Bei, Lin, Weiping, Gu, Tianpu, Zhang, Bin, Wei, Ruihua
Format: Article
Language:English
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Summary:We present a new method for analyzing relative corneal refractive power (RCRP) in children undergoing orthokeratology and explore its potential association to effective myopic control. A total of 55 children aged 8 to 12 years participated in the study. Axial growth was calculated as the difference in axial length before and 1 year after orthokeratology. Growth 4.5 D, a subject had an above 80% chance to achieve effective control. The new method reveals that how the combination of spherical equivalent (SE), corneal asymmetry, and astigmatism determines modulation of the mRCRP and a large amplitude of modulation is associated with a higher probability of effective myopic control. Our finding enables clinicians to estimate the outcome early and provides new insights to lens design.
ISSN:2164-2591
2164-2591
DOI:10.1167/tvst.7.6.17