Cornea Transplants
Overview
Penetrating Keratoplasty (PK)
Descemet’s Stripping Endothelial Keratoplasty (DSEK)
Deep Anterior Lamellar Keratoplasty (DALK)
Lamellar Keratoplasty
Artificial Cornea

Lamellar Keratoplasty

The term "lamellar" means a thin layer of tissue.  Cornea tranplants can be full thickness (penetrating) or lamellar.  Lamellar transplants are generally more technically challenging but can provide a patient with less risk of rejection and fewer potential complications.  Lamellar surgery is indicated if the pathlogy of the cornea is limited to specific layers that can be removed and replaced with clear, donor tissue. 

Anterior Lamellar Keratoplasty (ALK) replaces a scar/irregularity in the front of the cornea, with a partial thickness tissue, assuming the posterior cornea is normal.  The tissue is sutured in place. This procedure is best for scarring that is in the anterior 250 microns of the cornea.

Descement's Stripping Endothelial Keratoplasty (DSEK) replaces the very posterior layers of the cornea.  Ths treats diseases like Fuch's dystrophy, pseudophakic bullous keratopathy, and edema.

Deep Anterior Lamellar Keratoplasty (DALK) replaces the anterior 90% of diseased cornea.  DALK is indicated for diseases like keratoconus or deep scarring that spares descement's membrane. 



Each patient's eye is different. The description above may not apply to every individual situation. Your doctor will perform a full evaluation and discuss her findings thoroughly. A treatment regimen will be planned and re-evaluated throughout follow-up visits. Please contact your doctor if you feel you have dry eyes or if you have any concerns or questions regarding your ocular health. 



As cornea specialists in DFW, Dallas-Fort Worth, Dr. Koreishi and Dr. Ple-plakon strive to provide the best cornea care, availability, and patient education.




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