Different techniques for performing DALK: Are they making a real difference?

摘要

Penetrating keratoplasty (PKP) is a highly successful procedure in which full thickness cornea is replaced. Recent advancements in surgical techniques and instrumentation have shifted away from conventional PKP to Deep Anterior Lamellar Keratoplasty (DALK) performed by several forms of manual, microkera-tome/femtosecond laser-assisted lamellar procedures.