blepharitis

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Blepharitis is the inflammation of the eyelids (1). It can be acute or chronic but typically the condition is chronic, intermittent (with exacerbations and remissions) and affects both eyes (2). 

Chronic blepharitis can be further divided into:

  • staphylococcal (usually ulcerative)
  • seborrhoeic (frequently associated with seborrhoea of the scalp, brows and ears)
  • mixed staphylococcal seborrhoeic
  • meibomian gland dysfunction (MGD) (1,2)

Some clinicians classify according to the anatomic location of the affected part of the eyelid:

  • anterior blepharitis - 
    • affects the anterior lid margin and eye lashes
    • includes staphylococcal, seborrhoeic blepharitis and Demodex folliculorum mite infestation
  • posterior blepharitis -
    • also referred to as meibomian gland disease (MGD) is caused by  meibomian gland dysfunction (1,2)

Rosacea, seborrhoeic dermatitis, and keratoconjunctivitis sicca are often associated with this condition (3).

Reference:

Last reviewed 07/2021

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