Fig. 6

Correlation analysis between retina and optic nerve head. Spearman’s correlation and linear regression was performed for NEFL, GFAP and IBA1 expression comparing retina and ONH measurements for glaucoma and non-glaucoma donors. NEFL and GFAP exhibit strong correlation between retina and ONH measures (R² = 0.6165 and R² = 0.5328, respectively), but this is not the case for IBA1 (R² = 0.3077)