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Changes in measurements between morning and afternoon for each respective period of lens wear (mean±SD) in unaided logMAR visual acuity (UCVA), apical corneal power (ACP), average keratometry readings (Ka), corneal toricity (Cyl) and treatment zone diameter (TZD) after different durations of orthokeratology lens wear.
NS, not statistically significant (p>0.1).
