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Deep Anterior Lamellar Keratoplasty (DALK) is performed to correct  conditions which result in corneal thinning, distortion or scarring such as advanced Keratoconus, LASIK or Radial Keratotomy induced corneal thinning,  corneal dystrophy, infection or trauma.

DALK is a partial thickness graft that unlike full-thickness corneal transplantation (PK). DALK preserves the two inner most layers of the cornea: Descemet’s membrane and the endothelium, while removing and replacing only the diseased, weakened or scarred anterior layers with donor tissue. The retention of these inner layers not only may make a DALK graft last a lifetime and avoid rejection, but also makes the creation of larger diameter grafts possible.

The most suitable candidates for this procedure generally include those with healthy cornea endothelium, no descemet’s membrane scarring and who have: