Chalazion (also known as Meibomian cyst) is a cyst in the eyelid usually due to a blocked meibomian gland, typically in the middle of the eyelid, red, and not ...ChalazionFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchForthefungigenus,seeChalazion(fungus).MedicalconditionChalazionOthernamesMeibomianglandlipogranuloma[1]EyelidaffectedbyachalazionPronunciation/kəˈleɪziən/SpecialtyOphthalmology,optometrySymptomsRed,nonpainfulcystinmiddleoftheeyelid[2]UsualonsetGraduallyoverafewweeks[2]DifferentialdiagnosisStye,cellulitis[2]TreatmentWarmcompresses,steroidinjection,surgery[2]FrequencyUnknown[3]Chalazion(alsoknownasMeibomiancyst[4])isacystintheeyelidusuallyduetoablockedmeibomiangland,[5]typicallyinthemiddleoftheeyelid,red,andnotpainful.[2]Theytendtocomeongraduallyoverafewweeks.[2]Achalazionmayoccurfollowingastyeorfromhardenedoilsblockingthegland.[2]Theblockedglandisusuallythemeibomiangland,butcanalsobetheglandofZeis.[6]Astyeandcellulitismayappearsimilar.[2]Astye,however,isusuallymoresuddeninonset,painful,andoccursattheedgeoftheeyelid.[2]Cellulitisisalsotypicallypainful.[2]Treatmentisinitiatedwithwarmcompresses.[2]Inaddition,antibiotic/corticosteroideyedropsorointmentmaybeused.Ifthisisnoteffective,injectingcorticosteroidsintothelesionmaybetried.[2]Iflarge,incisionanddrainagemayberecommended.[2]Whilerelativelycommon,thefrequencyoftheconditionisunknown.[3]Itismostcommoninpeople30-50yearsofage,andequallycommoninmalesandfemales.[7]ThetermisfromtheGreekkhalazion(χαλάζιον)meaning"smallhailstone".[8]Contents1Signsandsymptoms1.1Complications2Diagnosis2.1Differentialdiagnosis3Treatment3.1Generaltreatment3.2Antibiotic/corticosteroideyedropsorointment3.3Surgery3.4Steroidinjection3.5Carbondioxidelaser4Seealso5References6ExternallinksSignsandsymptoms[edit]EyelidaffectedbyalargechalazionPainlessswellingontheeyelidEyelidtendernesstypicallynone-to-mildIncreasedtearingHeavinessoftheeyelidRednessofconjunctivaComplications[edit]Alargechalazioncancauseastigmatismduetopressureont