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.
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.
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.