Sildenafil does not prevent retinal damage in a rat model of acute ocular hypertension - Ezra-Elia, Raaya; Silva, Germana Alegro da [UNESP]; Zanoni, Diogo Sousa [UNESP]; Laufer-Amorim, Renee [UNESP]; Laus, Jose Luiz [UNESP]; Ofri, Ron (Assoc Research Vision Ophthalmology Inc, 2015)