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Cornea & External Diseases

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Surgery & Complications
Slit lamp photograph demonstrating pearls of epithelial cells in the corneal flap interface post LASIK surgery.

  • Clinical features:
    • Symptoms: decreased best-corrected vision.
    • Signs: corneal epithelial cells invade and grow under the corneal flap.
  • Possible causes: implantation of epithelial cells during surgery, poor-quality blade, improper repositioning of the flap or gap between stromal bed and flap.
  • Complication:
    • Irregular astigmatism
    • Flap melting
  • Treatment: re-elevating the flap and irrigation with scraping of the stromal bed as well as the flap undersurface.

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