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Bland–Altman plots comparing cycloplegic subjective refractive error (CSR) and each of the following modalities: Self-refraction (SR), noncycloplegic autorefraction (NAR), and cycloplegic autorefraction (CAR). The horizontal lines represent, from top to bottom, the 97.5th percentile, the median and the 2.5th percentile, respectively. D = diopter.
