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Illustration of the application of the visual field simulations developed in this study to understand the variability of MD against (A) the true MD and (B) the true PSD value and (C) the variability PSD against its true value. For each graph, variability is indicated by the SD of difference of the values of the simulated visual fields from the true value (circular markers). A locally weighted polynomial regression fit of the data is also shown (black line).
