Cytomegalovirus RetinitisGanciclovirCytomegalovirusRetinitisCytomegalovirus InfectionsFoscarnetBlindnessRetinitis PigmentosaAIDS-Related Opportunistic InfectionsEye Infections, ViralAntiviral AgentsMuromegalovirusNight BlindnessAcquired Immunodeficiency SyndromeOrganophosphonatesOrganophosphorus CompoundsInterleukin-10 Receptor alpha SubunitCytosineDrug ImplantsPhosphonoacetic AcidVisual AcuityThymidine KinaseVitreous BodyBlindness, CorticalHerpesviridae InfectionsCD4 Lymphocyte CountAntiretroviral Therapy, Highly ActiveAcyclovirCytomegalovirus VaccinesInjections, IntravenousElectroretinographyIntravitreal InjectionsInjectionsDNA, ViralViral LoadAdministration, OralProspective StudiesVision, LowDrug Therapy, CombinationGenetic TherapyEye ProteinsSimplexvirusViral ProteinsRhodopsinRetinaImmediate-Early ProteinsOnchocerciasis, OcularAnti-HIV AgentsCD4-Positive T-LymphocytesAntigens, ViralRetinal DegenerationTreatment Outcome