Fig. 4From: The structure–function relationship between multifocal pupil perimetry and retinal nerve fibre layer in glaucomaSpearman rho vs Pearson r comparison. Correlation coefficients for Spearman rank-order (ρ) and Pearson product-moment (r) correlation between SAP and mfPOP arcuate clusters, and RNFL sector thickness, by subject classification and test typeBack to article page