====== Superficial Punctate Keratitis (causes)======

  * Dry Eye 
    * Keratoconjunctivitis sicca (Sjögren syndrome)
  * Chronic inflammation
    * blepharitis, meibomian gland dysfunction
    * contact lens overwear 
  * Toxicity
    * contact lens soluation 
    * topical medications with preservative
      * benzalkonium chloride
    * chemical exposure
  * Infection
    * Viral keratitis
    * Staphylococcal epithelial keratitis
    * Pneumococcal conjunctivitis
    * HSV keratitis
    * Acanthamoeba keratitis
    * Molluscum contagiosum
  * Allergy
    * Vernal keratoconjunctivitis
  * Poor healing/Trauma
    * Neurotrophic keratitis
    * Exposure keratitis
    * Recurrent corneal erosion syndrome
  * Corneal Dystrophies 
    * Map-dot-fingerprint dystrophy
  * Idiopathic
    * [[thygeson_superficial_punctate_keratitis|Thygeson Superficial Punctate Keratitis]]

{{tag>ddx ocular_surface cornea}}