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PDEK (Pre-Descemet Endothelial Keratoplasty) transplants the Descemet membrane, endothelium, and a 30-micron pre-Descemet stromal layer (Dua's layer). The result: visual outcomes close to DMEK with surgical handling closer to DSAEK. Useful in young donors, complex eyes, and re-grafts.
Why choose us
Fellowship at Devers Eye Institute under Prof. Mark A. Terry — a leading center for endothelial keratoplasty research and innovation.
Published research on DMEK in eyes with prior refractive surgery. PDEK is the natural extension of that work.
PDEK is especially useful with young donor tissue (where DMEK preparation can fail). We select the technique based on the donor age and your anatomy.
Like DMEK and DSAEK, PDEK only replaces the inner cornea — leaving the front surface intact and lowering rejection risk dramatically vs full-thickness grafts.
Procedures & pricing
Final cost is set after clinical examination. Local-currency equivalents available on request. Insurance reports issued for international patients.
| Procedure | Best for | From (USD) |
|---|---|---|
| PDEK (standard) | Conventional pre-Descemet preparation | $3,200 – $4,000 |
| PDEK + cataract (triple) | Combined with phaco + IOL | $4,200 – $5,500 |
Common questions
We'll review your specular microscopy, OCT, and any prior surgical history to recommend whether DMEK, DSAEK, or PDEK is the right choice for your eye — and the all-in cost.