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Cornea & External Diseases

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Degenerations
Corneal Arcus

  • Clinical features:
    • Very common bilateral gray, white, or yellowish circumferential deposits in
      the peripheral cornea
    • Lucid area usually present between the deposits and the limbus
  • May be found either as an age-related condition (arcus senilis) or in association with
    hyperlipoproteinemia types 2 and 3 in younger people.
  • Younger-aged male patients ( <40 year old) with corneal arcus have increased
    relative risk of death from coronary artery or cardiovascular disease.
  • The presence of corneal arcus in patients younger than 40 year-old warrants
    evaluation for systemic lipid abnormalities.

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