Retinal safety and efficacy of a dexamethasone biodegradable implant to treat macular edema associated to retinal vein occlusion: a phase I/II clinical trial - Siqueira, Rubens Camargo; Cunha, R. B.; Messias, André Márcio Vieira; Cunha, A. S.; Fialho, S.; Jorge, Rodrigo (Annual Meeting of Association for Research in Vision and Ophthalmology (ARVO), 2013)