Central retinal vein occlusion after sildenafil citrate [Viagra] Use

This is a report of a 31-year old male patient who presented with poor vision of his left eye of one-week duration after the use of two tables of Sildenafil citrate [Viagra] approximatley 24 hours before and 48 hours after the onset of ocular symptoms. Ocular examination was consistent with the diagnosis of systemic central vein occlusion. There was no history of systemic diseases or ocular risk factors for central retinal vein occlusion. To the best of our knowledge, the young man, described here, is the first to be reported to have fulminant central retinal vein occlusion after Sildenafil use. This paper discusses the history, physical examination, and investigations done for the patient