Changes

[[File:Stye.png|thumb|Alt=Labdanum resin|350px500px|left|Hordeolum]]An external A hordeolum arises from a blockage with secondary inflammation (stye) is an acute, localized swelling of the Zeiss eyelid that may be external or Moll sebaceous internal and usually is a pyogenic (typically staphylococcal) infection or abscess. Most hordeola are external and result from obstruction and infection of an eyelash follicle and adjacent glands of the eyelidZeis or Moll glands. Follicle obstruction may be associated with blepharitis . An internal hordeolum , which is a secondary inflammatory response very rare, results from infection of the a meibomian glands in the tarsal plategland. Sometimes cellulitis accompanies hordeola.