Matt Bomer is American.
Pre Descemet 's endothelial keratoplasty -LRB- PDEK -RRB- is a kind of endothelial keratoplasty , where the pre descemet 's layer -LRB- PDL -RRB- along with descemet 's membrane -LRB- DM -RRB- and endothelium is transplanted .. keratoplasty. keratoplasty. endothelium. endothelium. Conventionally in a corneal transplantation , doctors use a whole cornea or parts of the five layers of the cornea to perform correction surgeries .. corneal transplantation. corneal transplantation. In May 2013 , Dr Harminder Dua discovered a sixth layer between the stroma and the descemet membrane which was named after him as the Dua 's layer .. Harminder Dua. Harminder Dua. In the PDEK technique , doctors take the innermost two layers of the cornea , along with the Dua 's layer and graft it in the patient 's eye .