band keratopathy

Etiology

• hypercalcemia
• other systemic conditions
  • discoid lupus erythematosus
  • tuberous sclerosis
• local ocular conditions
  • chronic uveitis
  • juvenile idiopathic arthritis with uveitis
  • phthisis bulbi
  • end-stage glaucoma
  • nterior mosaic dystrophy
• drug-associated calcium deposition
  • steroid phosphate preparations
  • pilocarpine containing mercurial based preservatives
  • viscoelastic agents (rare, early formulations; may be related to phosphate buffers)
  • silicone oil
  • topical medications containing phosphate buffers (especially in the setting of chemical eye burns)
• chemical fume related
  • mercury vapor
  • calcium bichromate vapor
  • intraocular use of recombinant tissue-plasminogen activator (rt-PA)

Pathology

• calcium phosphate deposition in a band across the central cornea

More general terms

• corneal disease (keratopathy)