Corneal morphological changes after discontinuation of long-term orthokeratology and SMILE surgery outcomes: a retrospective comparative study.

However, the correlations between changes in posterior steep K values and the duration of lens discontinuation at the 3 mm, 5 mm, and 7 mm zones did not reach statistical significance.

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The duration of OK lens wear showed a negative correlation with changes in posterior steep K at the 3 mm ( r = − 0.408, P = 0.060), 5 mm ( r = − 0.423, P = 0.050), and 7 mm ( r = − 0.418, P = 0.053) zones (all showing borderline significance).

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