Antigens, FungalConjunctivitisMicroscopy, Electron, ScanningErythemaColorErythromelalgiaConjunctival DiseasesEye Infections, ParasiticMeatSkin PigmentationConjunctivaPhotographyPigmentationDiphtheria-Tetanus-Pertussis VaccineBlepharitisFood TechnologyDiphtheria-Tetanus-acellular Pertussis VaccinesNAV1.7 Voltage-Gated Sodium ChannelHyperemiaOphthalmic SolutionsEye DiseasesKeratitisObserver VariationOphthalmoscopyAdministration, TopicalSkinPainDouble-Blind MethodTime FactorsTreatment OutcomeSeverity of Illness IndexCattle