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  • Title: Higher spherical equivalent refractive errors is associated with slower axial elongation wearing orthokeratology.
    Author: Fu AC, Chen XL, Lv Y, Wang SL, Shang LN, Li XH, Zhu Y.
    Journal: Cont Lens Anterior Eye; 2016 Feb; 39(1):62-6. PubMed ID: 26254302.
    Abstract:
    PURPOSE: To investigate the relationship between axial length (AL) increase and baseline spherical equivalent refractive errors (SER) in myopic children wearing orthokeratology contact lenses (OK). METHODS: One hundred fifteen Chinese (115 right eyes) children wearing OK were enrolled in this cohort study. Gender, age, baseline SER, corneal power, corneal astigmatism, and AL at baseline and 2 years after wearing OK were collected. Univariate analysis and trend test were used to estimate the relationship between change in AL and baseline SER. RESULTS: After univariate analysis, a statistically significant relationship was found between change in AL and baseline SER (β=0.061, 95% CI: 0.015-0.111, P=0.015). In the trend test, after adjusting for potential confounders, higher SER was associated with smaller increases in AL (P trend=0.041). CONCLUSIONS: The SER at baseline was associated with AL growth in myopic children wearing OK. The higher SER was associated with slower AL growth and control the development of myopia.
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