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(a) Scatterplots showing correlations of axial elongation at the 1‐year visit with baseline age in the orthokeratology (OK) and spectacle groups (SP). (b) Histogram showing axial elongation of children of different ages in the ortho‐k (OK) and spectacle (SP) groups (data are expressed as the mean ± SD), with percent reduction in axial growth for the ortho‐k group versus the spectacle group.
