Eyelid disease Hordeolum is infection of the glands ofve. eyelid. When the meibomian glands are involved, a large swelling occurs called internal hordeolum The smaller and more superficial external hordeolum(sty) is an infection of Zeis's or Moll's glands & A chalazion is an idiopathic sterile chronic granulomatous inflammation of a meibomian glandEyelid disease Hordeolum is infection of the glands of the eyelid. When the meibomian glands are involved, a large swelling occurs called internal hordeolum. The smaller and more superficial external hordeolum (sty) is an infection of Zeis’s or Moll’s glands. A chalazion is an idiopathic sterile chronic granulomatous inflammation of a meibomian gland