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DSEK!


Descemet's Stripping Endothelial Keratoplasty!


-In DSEK: the patient’s Descemet membrane is peeled off and replaced with a partial thickness graft: a transplanted disc of Posterior Stroma, Descemet and Endothelium. Both donor and host cornea are manually dissected.


-In DSAEK: the donor dissection is carried out using a mechanical microkeratome.


GOAL of DSEK:

-To transplant a healthy endothelial cell layer that will pump the fluid out of the cornea.

-Expected to restore corneal clarity and improve vision.


INDICATIONS:

-Bullous keratopathy (Pseudophakic & Aphakic).

-Fuch's endothelial dystrophy.

-ICE syndrome.


ADVANTAGES:

-Increase overall donor tissue availability, using the posterior layer of the donor cornea in one patient and the anterior lamellar graft in another patient.

-Faster to learn.


ADVANTAGES OVER PK:

-Smaller incisions.

-No corneal-graft sutures.

-Faster visual recovery.

-Less risk of sight threating complications and less induced astigmatism.

-Less risk of immune rejection of the transplanted corneal tissue.

-Shorter post-operative care.



www.ophthalmobytes.com⁣

Image from Rajan Eye Care Hospital⁣

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