February 02, 2006
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No effect on ocular hemodynamics seen after 3 months of sildenafil use

Ocular hemodynamics were unaffected by 3 months of regular use of oral sildenafil, a study has found.

Dr. S.O. Dündar and colleagues at Adnan Menderes Üniversitesi in Turkey prospectively studied 15 patients with erectile dysfunction. The patients received 50 mg doses of sildenafil (Viagra, Pfizer) two times a week for 3 months.

Before and after treatment, the researchers looked at best corrected visual acuity (BCVA), IOP, color vision, anterior segment and fundus examination.

They also used color Doppler imaging to measure hemodynamic variables in the ophthalmic artery (OA), central retinal artery (CRA) and short posterior ciliary artery (SPCA).

“No significant changes in BCVA, color vision and IOP were found after sildenafil treatment. The anterior segment and fundus examinations showed no abnormalities. All Doppler parameters of OA, CRA and SPCA remained nonsignificant for both eyes after sildenafil treatment,” they said.

The study is published in International Journal of Impotence Research.