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What is DMEK?

Descemet’s Membrane Endothelial Keratoplasty

Descemet membrane endothelial keratoplasty (DMEK) is the newest version of endothelial keratoplasty to treat swollen corneas as seen in Fuchs dystrophy, bullous keratopathy, and other causes of poor corneal endothelial function. DMEK surgery provides the most anatomically exact replacement of the diseased layer of the cornea and leaves the patient’s cornea closer to its original condition more than any other corneal transplant technique. DMEK surgery is technically advanced and involves the transplantation of just one cell layer on a thin 15-20 micron thick membrane. Due to its thinnest, it offers the best chance to see 20/25 or better. In addition, because it does not include other layers of the cornea, studies have shown that it offers a lower rejection rate compared to other techniques.

The image above illustrates the Descemet Membrane that is replaced in DMEK

DMEK graft week one


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