345 participants
A Study to Determine if There is a Possible Association Between NAION and Phosphodiesterase Type 5 (PDE5) Inhibitors
- Study Type:
- OBSERVATIONAL
- Last Updated:
- 2018-04-05
- Start Date:
- 2010-05-31
- Completion:
- 2015-12-31
Conditions
- Nonarteritic Anterior Ischemic Optic Neuropathy
Interventions
- DRUG