Causes. Hordeola are associated with S aureus infection. ... Patients with chronic blepharitis, meibomian gland dysfunction, and ocular rosacea ...ForYouNews&PerspectiveDrugs&DiseasesCME&EducationAcademyVideoDecisionPointEdition:ENGLISHDEUTSCHESPAÑOLFRANÇAISPORTUGUÊSLogInSignUpIt'sFree!Edition:ENGLISHDEUTSCHESPAÑOLFRANÇAISPORTUGUÊSRegisterLogInNoResultsNoResultsForYouNews&PerspectiveDrugs&DiseasesCME&EducationAcademyVideoDecisionPointclosePleaseconfirmthatyouwouldliketologoutofMedscape.Ifyoulogout,youwillberequiredtoenteryourusernameandpasswordthenexttimeyouvisit.LogoutCancelhttps://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly9lbWVkaWNpbmUubWVkc2NhcGUuY29tL2FydGljbGUvMTIxMzA4MC1jbGluaWNhbA==processing....Drugs&Diseases>OphthalmologyHordeolum ClinicalPresentationUpdated:Feb12,2021Author:MichaelPEhrenhaus,MD;ChiefEditor:EdselBIng,MD,MPH,FRCSC,PhD,MA more...ShareEmailPrintFeedbackCloseFacebookTwitterLinkedInGoogle+SectionsHordeolumSectionsHordeolumOverviewBackgroundPathophysiologyEpidemiologyShowAllPresentationHistoryPhysicalCausesShowAllDDxWorkupLaboratoryStudiesHistologicFindingsShowAllTreatmentMedicalCareSurgicalCareShowAllMedicationMedicationSummaryAntibioticsShowAllFollow-upFurtherOutpatientCareDeterrence/PreventionComplicationsPrognosisPatientEducationShowAllQuestions&AnswersReferencesPresentationHistoryHordeolaessentiallyrepresentfocalabscesses;therefore,theywillpresentwithfeaturesofacuteinflammation,suchasapainful,warm,swollen,redlumpontheeyelid.Theeyelidlumpmayalsoinducecornealastigmatismandcauseblurringofvision.Thepatientoftenhasapasthistoryofsimilareyelidlesionsorriskfactorsforhordeola,suchasmeibomianglanddysfunction,blepharitis,orrosacea.[6]Clinicallydifferentiatinghordeolafromacutechalaziamaybedifficult,becausetheybothpresentwithacuteinflammationandtendereyelidlumps.However,chronicchalaziarepresentagranulomatousreactionand,thus,appearfirmandnontenderonclinicalexamination.[4]Next:PhysicalOnexamination,atend