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The filled squares represent DH log10 CS scores for the CVI patients, and the open squares for those with ocular disorder. The abscissa is the mean of the scores from the two testers and the ordinate the difference. The dashed line is the median difference between the two testers, and the dotted lines the limits of the 95% CI on the difference. Note that DH log10 CS scores were lower for those with CVI.
