DALK/ ANTERIOR LAMELLAR KERATOPLASTY
It is a CORNEA TRANSPLANT SURGERY in which the diseased/ Abnormal CORNEA is removed to be replaced by DONOR Lamellar tissue and NOT the whole CORNEA.
AIM : 1) THERAPEUTIC : to save the Eye of the patient from Severe disease like CORNEA ULCER or
2) OPTICAL : The aim is to give the patient Good Vision & is done in cases like CORNEA SCARRING, SEVERE ECTASIA/ KERATOCONUS.
TYPES : 1) ANTERIOR LAMELLAR
2) DALK : Almost Full thickness host tissue is removed without Endothelium.
Advantages :
1) NIL chances of Endothelium Rejection as the patient’s ENDOTHELIUM is preserved.
2) Possibility of performing PKP open if the Lamellar keratoplasty results are not upto the mark.
Disadvantages : It is a technically CHALLENGING surgery and needs Good Surgical Expertise.
DSEK/ DSAEK : Descemet’s Stripping (Automated) Endothelial Keratoplasty
It is a new advancement in CORNEA TRANSPLANT and is minimally invasive surgery.
PROCEDURE : In this surgery, the innermost layer (Endothelium) is removed through a small opening. The new Endothelial layer (+Descemet’s) from donor is placed through a small incision.
INDICATIONS :
1) FUCH’s Endothelial Dystrophy
2) Pseudophakic Bullous Keratopathy
The graft is stuck on to the back of CORNEA with the help of Air Bubble .
Advantages : FAST procedure, Fast Recovery and is a closed eye procedure.
Disadvantages: Needs Technical Skills/Expertise. Graft can dislodge from its position.
HAZE may occur in the graft-host junction.
Risks/ Surgery/Post operative instructions
About these details, your surgeon from our centre will talk to you before & after the surgery.