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1 From these parameters, the equivalent refractive index of the lens was calculated.
2 The equivalent refractive index and the power of the lens were calculated from these parameters.
3 Main outcome measures: The thickness, anterior and posterior radii, equivalent refractive index, and power of the lens.
4 Furthermore, there was a significant decrease in the equivalent refractive index of their lenses compared with the control group.
5 Myopia was defined as spherical equivalent refractive error of at least -0.50 D and hyperopia as +2.00 D or more.
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