Fig. 2

Comparison between enhanced depth imaging-optical coherence tomography scans in two patients of different ages matched for gender and age with controls. A A 42-year-old man used 100 mg sildenafil and had a subfoveal choroidal thickness of 505 mm. B A 34-year-old woman used 25 mg sildenafil and had a subfoveal choroidal thickness of 301 mm. C A 42-year-old man not taking any medication had a subfoveal choroidal thickness of 209 mm. D A 34-year-old woman not taking any medication had a subfoveal choroidal thickness of 239 mm