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. 2021 Jan 24;10(3):447. doi: 10.3390/jcm10030447

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Correlation between the change in axial length (AL) over 18 months of lens wear vs. myopia progression in the year prior to enrollment. Filled circles and solid line: multifocal orthokeratology (MOK) treated eyes: n = 28, R² = 0.002, p = 0.83. Open circles and dashed line: orthokeratology (OK) treated eyes: n = 28, R² = 0.114, p = 0.08.