Refractive Error and Axial Length (REAL) Study: Feasibility of a population study in the United States.

41 For cycloplegic refractive measures, there was a consistent trend towards less hyperopia with increasing age, although it did not achieve significance (ANOVA with age as dependent variable, F 5,143 = 1.16, p=0.32 for spherical component; F 5,142 = 1.95, p=0.09 for cylinder; and F 5,143 = 1.12, p=0.35 for SER, see Fig. 1 ).

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While there was a trend toward more negative mean spherical equivalent refraction with age, this did not reach statistical significance, potentially owing to the variability.

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