DLEK refers to a new method of advanced corneal surgery, wherein the dysfunctional endothelial layer of the cornea is selectively replaced with healthy donor tissue, without the need for surface incisions or sutures. This results in better refractive outcome compared to conventional corneal grafts. Moreover there is no risk of suture related complications such as infections, vascularization etc. Tectonically the cornea is much stronger following DLEK as compared to conventional full thickness corneal grafts.
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