Figure 2

Representative enhanced-depth imaging OCT images of the central macula showing post-binarization overlay of the region of interest on the scans demonstrating the luminal and stromal areas (yellow) in eyes from a normal age-matched patient (A–C), with non-exudative AMD (D–F) and with exudative AMD (G–I), before (A,D,G), and at 1 hour (B,E,H) and 3 hours (C,F,I) after a 100 mg oral dose of sildenafil citrate. Line graphs show a greater relative increase in stromal area (K) than luminal area (J) in the choroid.