Ischemic optic neuropathy and inherited degenerative retinal Issues contraindicate sildenafil use; discontinuation of sildenafil is suggested if unexpected vision reduction takes place.[sixteen]Cinsel birle?meden dolay? sertle?me probleminiz var ise ya da e?iniz bundan dolay? size kar?? çOkay so?United kingdom davran?yor ise hemen bu ferrari a hu