AUTHOR: Glenn G. Fort, MD, MPH


DefinitionA hordeolum is an acute inflammatory process affecting the eyelid and arising from the meibomian (posterior) or Zeis (anterior) glands. It is most often infectious and usually caused by Staphylococcus aureus. When infection involves the meibomian glands, it is called meibomianitis.
SynonymsHordeolum
Meibomianitis
ICD-10CM CODES | H00.011 | Hordeolum externum right upper eyelid | H00.012 | Hordeolum externum right lower eyelid | H00.013 | Hordeolum externum right eye, unspecified eyelid | H00.014 | Hordeolum externum left upper eyelid | H00.015 | Hordeolum externum left lower eyelid | H00.016 | Hordeolum externum left eye, unspecified eyelid | H00.019 | Hordeolum externum unspecified eye, unspecified eyelid | H00.021 | Hordeolum internum right upper eyelid | H00.022 | Hordeolum internum right lower eyelid | H00.023 | Hordeolum internum right eye, unspecified eyelid | H00.024 | Hordeolum internum left upper eyelid | H00.025 | Hordeolum internum left lower eyelid | H00.026 | Hordeolum internum left eye, unspecified eyelid | H00.029 | Hordeolum internum unspecified eye, unspecified eyelid |
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Epidemiology & DemographicsIncidence (in U.S.)Unknown
Prevalence (in U.S.)Unknown
Predominant SexNo gender predilection
Predominant AgeMay occur at any age
Peak IncidenceMay occur at any age
Neonatal InfectionRare in the neonatal period
Physical Findings & Clinical Presentation
- Abrupt onset with pain and erythema of the eyelid
- Localized, tender mass in the eyelid (Fig. E1)
- May be associated with blepharitis
- External hordeolum: Points toward the skin surface of the lid and may spontaneously drain
- Internal hordeolum: Can point toward the conjunctival side of the lid and may cause conjunctival inflammation
Figure E1 External hordeolum (stye).

From Bowling B: Kanskis clinical ophthalmology: a systemic approach, ed 8, Philadelphia, 2016, Elsevier.
Etiology
- 75% to 95% of cases are caused by S. aureus, which includes methicillin-resistant S. aureus (MRSA) strains.
- Occasional cases are caused by Streptococcus pneumoniae, other streptococci, gram-negative enteric organisms, or mixed bacterial flora.