الفهرس 
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Abstract
Aim of the work
The Aim of this work is to study the indications, techniques and complications of the different types of lamellar keratoplasty.
Summary
The idea of lamellar keratoplasty is to replace only the diseased portion leaving the rest of the healthy cornea of the patient undisturbed.
Last decade has seen a renewed interest in lamellar keratoplasty with several modifications to improve visual outcome. It requires finer surgical skill and more refined instrumentation.
Lamellar keratoplasy can be performed by microkeratome, manual or by the use of femtosecond laser.
Deep anterior lamellar keratoplasty (DALK) is a partial thickness corneal graft that is used in eyes where the pathology is confined to the anterior layers of the cornea including superficial corneal scars.
The advantages of this technique over the conventional full thickness graft are fewer sutures, quicker rehabilitation, less medication, almost negligible chances of a graft rejection and more secured wound.
Deep lamellar endothelial keratolasty (DLEK) is also a partial thickness corneal graft, which is used to replace the endothelial layer only. DLEK is suitable for patients with endothelial decompensation.
The benefits of DLEK over the conventional corneal transplant include better quality of vision, normal topography, quicker visual rehabilitation and less chance of rejection.