prostavive review

    These 17 Medications May Harm Your Eyes - GoodRx

    Sildenafil (Viagra) Sildenafil (Viagra) treats erectile dysfunction (ED). Some people experience changes in color perception after starting sildenafil. ... The medications above can directly affect your eye health. But some medications can indirectly cause temporary vision changes. They don't affect the eyes directly. Instead, they can cause ...

    Sildenafil in ophthalmology: An update - Survey of Ophthalmology

    Sildenafil citrate, a selective oral phosphodiesterase 5 inhibitor, is a widely used drug for erectile dysfunction that acts by elevating cGMP levels and causing smooth muscle relaxation. It also has 10% activity against PDE6, a key enzyme in phototransduction cascade in the retina. Recent ocular imaging developments have further revealed the influence of sildenafil on ocular hemodynamics ...