Short Interruptions of Imposed Hyperopic Defocus Earlier in Treatment are More Effective at Preventing Myopia Development.

Refractive state rates Interrupting imposed defocus early resulted in less myopia development compared to interrupting it later, or not interrupting at all, but these differences did not reach statistical significance (Fig. 3 , top right panel, refractive change T 0 to T 4 , early interruption: −0.03 ± 0.02D/day, late interruption: −0.05 ± 0.02D/day, treated controls: −0.11 ± 0.06D/day; ANOVA F = 0.58, p = 0.56).

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