Nerve DegenerationOptic NerveWallerian DegenerationOptic Nerve DiseasesRetinal Ganglion CellsNerve RegenerationAxonsDisease Models, AnimalPainRetinal DegenerationMacular DegenerationSciatic NerveChronic PainPain ManagementPeripheral NervesNerve FibersPain ThresholdPain, PostoperativeLow Back PainBack PainPain MeasurementIntervertebral Disc DegenerationNerve BlockPain, IntractableNeck PainAbdominal PainSural NerveNerve CrushNerve EndingsMedian NerveFacial NerveTibial NervePeripheral Nerve InjuriesPelvic PainPain PerceptionSpinal NervesFacial PainUlnar NerveAcute PainFemoral NerveWet Macular DegenerationFrontotemporal Lobar DegenerationPain, ReferredNerve Growth FactorsNerve Growth FactorTrigeminal NerveSpinal Nerve RootsIntervertebral DiscShoulder PainPhotoreceptor Cells, VertebrateNerve Compression SyndromesRetinaPhrenic NerveRadial NerveCranial NervesMusculoskeletal PainNeuralgiaElectroretinographyNerve TissueOphthalmic NerveRetrograde DegenerationMandibular NerveOptic Nerve InjuriesNerve Fibers, MyelinatedNeural ConductionNerve Tissue ProteinsCochlear NervePeripheral Nervous System DiseasesAnalgesicsChoroidal NeovascularizationSplanchnic NervesGlossopharyngeal NerveRetinitis PigmentosaRats, Sprague-DawleyMotor Neurons