Fiber Optic TechnologyOptical FibersOptic NerveStructure CollapseRefractometryOptics and PhotonicsEquipment Failure AnalysisEquipment DesignMuscle Fibers, SkeletalOptic DiskTransducersNerve FibersOptic NeuritisMuscle ContractionMuscle Fibers, Slow-TwitchBiosensing TechniquesMusclesMuscle Fibers, Fast-TwitchOptic ChiasmOptic AtrophySpectrum AnalysisMyosin Heavy ChainsMyofibrilsReproducibility of ResultsTechnologyMuscle, SkeletalOptic Nerve InjuriesSensitivity and SpecificityRana temporaria