English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Nonarteritic anterior ischemic optic neuropathy (NAION) is a rare condition but one of the most important ocular side effects of sildenafil.Case PresentationWe presented a 65-year- old man with the history of sudden painless loss of vision in both eyes following taking sildenafil.ConclusionsFundus examination revealed blurred margin and elevated disc in both eyes. Visual field defects were bilateral inferior altitudinal defects, and optical coherence tomography (OCT) displayed a prominent nerve fiber layer edema in both eyes. We asserted that use of sildenafil may lead to reduce blood pressure and interfere with microcirculation in the optic nerve head. So, the potential risks of unregulated over-the-counter sexual enhancement supplements such as sildenafil must be educated to the patients using these supplements

Bilateral Simultaneous Nonarteritic Anterior Ischemic Optic Neuropathy Associated with The Use of Sildenafil: A Case Report