Overview Fundus Oculi and Erectile Dysfunction Status: Unknown status Trial end date: 2020-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the correlation between fundus oculi's vascularization in patients with erectile dysfunction and not, and, in the same patients, before and after using drugs for ED. Details Lead Sponsor: Ospedale San RaffaeleTreatments: Glucuronyl glucosamine glycan sulfatePhosphodiesterase 5 Inhibitors