The intra-group standard deviation (Sw), retest repeatability (TRT), coefficient of variation (CoV), and intra-group correlation coefficient (ICC) were used to evaluate the repeatability of CASIA2 to measure the eccentricity and tilt of the lens and IOL in cataract patients. At the same time, Pearson's correlation coefficient was used to test the correlation between lens and IOL eccentricity and tilt before and after mydriasis.
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