Chalazia (plural for chalazion) are the result of healed internal styes that are no longer infectious. These cyst-like eyelid bumps form around an oil gland within the ...HomeConditionsEyeConditions,A-Z | EnEspañolChalazion:Causes&Treatment(BumponEyelid)ByBrianChou,ODWhatisachalazion?HowtoidentifychalaziaWhatcausesachalazion?ChalazionTreatmentsCanachalazionbecancerous?PreventionMoreStyeArticlesWhatisachalazion?Achalazionisapainlessbumponyoureyelid.Itcanaffectboththeupperorlowereyelid.Itisoftenconfusedwithaneyestye(orhordeolum),butachalazionisdifferentinthatitispainlessandnotcausedbyabacterialinfection.Chalazia(pluralforchalazion)aretheresultofhealedinternalstyesthatarenolongerinfectious.Thesecyst-likeeyelidbumpsformaroundanoilglandwithinthelidandcancausered,swolleneyelids.HowtoidentifychalaziaThecontentsofachalazionincludepusandblockedfattysecretions(lipids)thatnormallyhelplubricatetheeyebutcannolongerdrainout.Manychalaziaeventuallydrain,resolvingontheirown.Youcanhelpthisprocessalongbyapplyingwarmcompressestoyoureyelid.Gentlymassagingthelidcanhelp,too.Butsomechalaziapersistforseveralweeksormoreandgrowlargeenoughtobecomecosmeticallyunappealing.Whentheselarge,painlesschalaziaareleftuntreated,theymayeventuallybegintopressonthecornea,temporarilycausingastigmatismandblurryvision.Whatcausesachalazion?It'softenimpossibletoknowwhatcausesachalazion.Riskfactorsincludeblepharitisandrosacea.Peoplewithrosacea—characterizedbyfacialrednessandswollenbumpsundertheskin—arepronetocertaineyeproblems,suchasblepharitisandchalazia.Rosaceacanaffecteyelids,theeye'sthinoutermembrane(conjunctiva),thecleareyesurface(cornea)andthewhiteoftheeye(sclera).Infact,rosaceathataffectstheeyeandsurroundingtissuesiscalledocularrosacea.Causesofrosaceaitselfcanbedifficulttopinpoint,althoughenvironmentandinheritedtendenciesarelikelyfactors.Certainmicroorganismslivinginorneareyelashrootsmayalsoexacerbateinflammationaroundtheeye.ChalazionTreatmentsIfyoudevelopachalazion,it’sbesttoseeaneyedoctortodeterminethebe