Cytomegalovirus RetinitisCytomegalovirusRetinitisBlindnessFoscarnetCytomegalovirus InfectionsRetinitis PigmentosaGanciclovirAIDS-Related Opportunistic InfectionsEye Infections, ViralAntiviral AgentsMuromegalovirusNight BlindnessAcquired Immunodeficiency SyndromeInterleukin-10 Receptor alpha SubunitOrganophosphorus CompoundsOrganophosphonatesCytosineDrug ImplantsVisual AcuityPhosphonoacetic AcidBlindness, CorticalCD4 Lymphocyte CountAntiretroviral Therapy, Highly ActiveVitreous BodyHerpesviridae InfectionsCytomegalovirus VaccinesElectroretinographyIntravitreal InjectionsProspective StudiesInjections, IntravenousInjectionsVision, LowEye ProteinsViral LoadDrug Therapy, CombinationRhodopsinImmediate-Early ProteinsDNA, ViralOnchocerciasis, OcularRetinaRetinal DegenerationTreatment OutcomeCataractCD4-Positive T-LymphocytesAnti-HIV AgentsViral Proteins