Diabetic NeuropathiesPeripheral Nervous System DiseasesDiabetic RetinopathyDiabetic NephropathiesHereditary Sensory and Motor NeuropathyDiabetes Mellitus, ExperimentalDiabetic FootDiabetic AngiopathiesHereditary Sensory and Autonomic NeuropathiesOptic Neuropathy, IschemicPolyneuropathiesSural NerveNeural ConductionDiabetes Mellitus, Type 2Diabetes Mellitus, Type 1Pregnancy in DiabeticsAutonomic Nervous System DiseasesUlnar NeuropathiesCharcot-Marie-Tooth DiseaseStreptozocinBlood GlucoseAlcoholic NeuropathyDiabetes MellitusDiabetes ComplicationsFemoral NeuropathyPeripheral NervesOptic Atrophy, Hereditary, LeberOptic Nerve DiseasesDiabetic CardiomyopathiesMedian NeuropathySciatic NerveTreatment OutcomeInsulinAmyloid NeuropathiesTime FactorsSeverity of Illness IndexNervous System DiseasesHyperglycemiaOptic Atrophies, HereditaryElectrodiagnosisHemoglobin A, GlycosylatedHypoglycemic AgentsCranial Nerve DiseasesDiagnostic Techniques, NeurologicalFollow-Up StudiesUlnar Nerve Compression SyndromesParesthesiaProspective StudiesDepressionSymptom AssessmentDemyelinating DiseasesRisk FactorsDiabetic DietSensation DisordersAlbuminuriaDisease Models, AnimalPrevalenceFoot UlcerQuestionnairesNeurologic ExaminationNerve FibersRats, Sprague-DawleyPeroneal NeuropathiesNerve Compression SyndromesPainAldehyde ReductaseRats, WistarGastroparesisMice, Inbred NODRetrospective StudiesCross-Sectional StudiesDiabetic ComaCase-Control StudiesUlnar NerveMotor Neuron DiseaseNeuralgiaHearing Loss, CentralDisease ProgressionFootPolyradiculoneuropathyReference ValuesAxonsSensationAmyloid Neuropathies, FamilialPeroneal NerveGuillain-Barre SyndromeGlucoseOptic AtrophyRetinal VesselsPain MeasurementSciatic NeuropathyGlycosylation End Products, AdvancedHypesthesiaBody WeightParaneoplastic PolyneuropathyMyelin P0 ProteinTibial NeuropathyVestibulocochlear Nerve DiseasesQuality of LifeBehavioral Symptoms