Cytomegalovirus RetinitisGanciclovirCytomegalovirusRetinitisCytomegalovirus InfectionsFoscarnetRetinitis PigmentosaAIDS-Related Opportunistic InfectionsEye Infections, ViralAntiviral AgentsMuromegalovirusAcquired Immunodeficiency SyndromeOrganophosphorus CompoundsOrganophosphonatesInterleukin-10 Receptor alpha SubunitCytosineDrug ImplantsPhosphonoacetic AcidThymidine KinaseVitreous BodyVisual AcuityHerpesviridae InfectionsCD4 Lymphocyte CountAntiretroviral Therapy, Highly ActiveAcyclovirAdenosine TriphosphateCytomegalovirus VaccinesInjections, IntravenousIntravitreal InjectionsInjectionsDNA, ViralAdministration, OralViral LoadDrug Therapy, CombinationProspective StudiesSimplexvirusElectroretinographyGenetic TherapyViral ProteinsAnti-HIV AgentsImmediate-Early ProteinsGuanosine TriphosphateCD4-Positive T-LymphocytesEye ProteinsAntigens, Viral