ClonidineQuinoxalinesAdrenergic alpha-AgonistsAdrenergic alpha-2 Receptor AgonistsTimololAdministration, OphthalmicProstaglandins F, SyntheticOcular HypertensionIntraocular PressureOphthalmic SolutionsOxymetazolineGlaucoma, Open-AngleAdrenergic alpha-AntagonistsThiazinesAntihypertensive AgentsBetaxololYohimbinePreanesthetic MedicationGlaucomaReceptors, Adrenergic, alpha-2SympatholyticsAdministration, TopicalOptic Nerve InjuriesCiliary BodyImidazoline ReceptorsReceptors, Adrenergic, alphaRetinal Ganglion CellsExfoliation SyndromeThiophenesGuanfacineInjections, SpinalBlood-Retinal BarrierCarbonic Anhydrase InhibitorsDose-Response Relationship, DrugAnalgesicsDouble-Blind MethodAdrenergic Uptake InhibitorsNerve CrushIrisSulfonamidesAdrenergic beta-AntagonistsIdazoxanNeuroprotective AgentsCross-Over StudiesAdrenergic alpha-2 Receptor AntagonistsVitreous BodyAdjuvants, AnesthesiaRats, Inbred BNPrazosinNorepinephrineChoroidChemistry, PharmaceuticalRetinal ArteryBlood PressureLaser CoagulationProtective AgentsPhentolamineTrabeculectomyAnalgesia, EpiduralEyeReceptors, AdrenergicPremedicationHeart RateDioxanesRetinaMorphineDrug HypersensitivityRabbitsMelaninsGuanabenzAnesthetics, LocalHypnotics and SedativesNaloxoneHemodynamicsInjections, IntraperitonealNeostigmineTime FactorsPain, PostoperativeDexmedetomidineDrug Therapy, CombinationMedetomidineMethoxamineMethyldopaDrug InteractionsSympathetic Nervous SystemEpinephrineBupivacaineDesipramineInjections, Epidural