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PK yields significantly better results than endothelial keratoplasty, DALK
Early results for lamellar and endothelial corneal transplantation techniques were inferior to penetrating keratoplasty, according to the results of a large study conducted in Australia.“The new procedures of lamellar keratoplasty that have evolved over the past two decades have been adopted enthusiastically by corneal surgeons worldwide. Although outcomes have been promoted as being significantly better than those of the well-established alternative of penetrating keratoplasty, the evidence for this claim is unconvincing outside of single-center studies,” the authors wrote in the study.