Visual FieldsVisual Field TestsVision DisordersScotomaGlaucomaGlaucoma, Open-AngleHemianopsiaOcular HypertensionIntraocular PressureOptic Nerve DiseasesOptic DiskVisual AcuityVision, LowVigabatrinPeripheral NervesPhotographyTrabeculectomySensory ThresholdsOphthalmoscopyDiagnostic Techniques, OphthalmologicalElectromagnetic FieldsNerve FibersContrast SensitivityVision ScreeningRetinitis PigmentosaRetinal Ganglion CellsGlaucoma, Angle-ClosureTomography, Optical CoherenceOptic ChiasmOptic Neuropathy, IschemicPeripheral Nervous SystemTonometry, OcularPeripheral Nervous System DiseasesFluorescein AngiographyVision TestsPeripheral Vascular DiseasesVision, BinocularMagnetic FieldsWest IndiesFixation, OcularDisease ProgressionSensitivity and SpecificityReadingLasersRetinal DiseasesFollow-Up StudiesProspective StudiesBlindnessLeukocytes, MononuclearAutomobile DrivingPeripheral Nerve InjuriesElectroretinographyReproducibility of ResultsMacular DegenerationOptic NervePeripheral Arterial DiseaseRetrospective StudiesVisual Perception